Rename Rect field start->left end->right (#257)

ca514f6c8ddc2a934f97170227bbe109223c80b8 · ruwaq Nico Burns · 2022-11-24T13:38:52Z (3 wata ñawpaq) · tayta 82b3fc7e4 · kay commitpi sach'ata qhaway
Semántico sayk'uy · 141

benches/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_start_top_end_bottom.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_width_height_end_bottom.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_width_height_start_top.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_width_height_start_top_end_bottom.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/absolute_layout_within_border.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/align_items_center_child_with_margin_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/border_flex_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/border_no_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/border_stretch_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/display_none_with_margin.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/gap_column_gap_child_margins.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/justify_content_row_max_width_and_margin.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/justify_content_row_min_width_and_margin.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_and_flex_row.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_and_stretch_column.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_and_right.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_and_right_column.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_and_right_column_and_center.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_and_right_strech.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_left_stretching_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_mutiple_children_row.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_auto_right.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_left.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_right.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_should_not_be_part_of_max_width.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/margin_with_sibling_row.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/padding_align_end_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/padding_center_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/padding_flex_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/padding_no_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/padding_stretch_child.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percent_absolute_position.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_absolute_position.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_margin_should_calculate_based_only_on_width.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_padding_should_calculate_based_only_on_width.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_position_bottom_right.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_position_left_top.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/percentage_size_based_on_parent_inner_size.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/size_defined_by_child_with_border.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/size_defined_by_child_with_padding.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/wrapped_column_max_height.rs

ukhunpi t'ikrakurqan fn compute pub
benches/generated/wrapped_column_max_height_flex.rs

ukhunpi t'ikrakurqan fn compute pub
scripts/gentest/src/main.rs

ukhunpi t'ikrakurqan fn generate_edges
scripts/gentest/test_helper.js

ukhunpi t'ikrakurqan fn describeElement
ukhunpi t'ikrakurqan fn parseEdges
src/compute/flexbox.rs

ukhunpi t'ikrakurqan fn compute_constants
ukhunpi t'ikrakurqan fn correct_constants
ukhunpi t'ikrakurqan fn distribute_remaining_free_space
ukhunpi t'ikrakurqan fn perform_absolute_layout_on_absolute_children
ukhunpi t'ikrakurqan fn resolve_cross_axis_auto_margins
src/geometry.rs

silq'uyninpi t'ikrakurqan struct Rect pub
silq'uyninpi t'ikrakurqan def ZERO pub
ukhunpi t'ikrakurqan def cross_end
ukhunpi t'ikrakurqan def cross_start
ukhunpi t'ikrakurqan def horizontal_axis_sum
ukhunpi t'ikrakurqan def main_end
ukhunpi t'ikrakurqan def main_start
ukhunpi t'ikrakurqan fn new pub
ukhunpi t'ikrakurqan def zip_size
src/resolve.rs

ukhunpi t'ikrakurqan fn resolve_or_default
ukhunpi t'ikrakurqan fn resolve_or_default
src/style.rs

silq'uyninpi t'ikrakurqan def AUTO pub
silq'uyninpi t'ikrakurqan def UNDEFINED pub
ukhunpi t'ikrakurqan fn bot_from_percent pub
ukhunpi t'ikrakurqan fn bot_from_points pub
ukhunpi t'ikrakurqan def cross_margin_end
ukhunpi t'ikrakurqan def cross_margin_start
ukhunpi t'ikrakurqan fn default
ukhunpi t'ikrakurqan fn from_percent pub
ukhunpi t'ikrakurqan fn from_points pub
ukhunpi t'ikrakurqan def main_margin_end
ukhunpi t'ikrakurqan def main_margin_start
ukhunpi t'ikrakurqan fn top_from_percent pub
ukhunpi t'ikrakurqan fn top_from_points pub
tests/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs

ukhunpi t'ikrakurqan fn absolute_layout_align_items_and_justify_content_center_and_left_position
tests/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs

ukhunpi t'ikrakurqan fn absolute_layout_align_items_and_justify_content_center_and_right_position
tests/generated/border_flex_child.rs

ukhunpi t'ikrakurqan fn border_flex_child
tests/generated/border_no_child.rs

ukhunpi t'ikrakurqan fn border_no_child
tests/generated/border_stretch_child.rs

ukhunpi t'ikrakurqan fn border_stretch_child
tests/generated/display_none_with_margin.rs

ukhunpi t'ikrakurqan fn display_none_with_margin
tests/generated/gap_column_gap_child_margins.rs

ukhunpi t'ikrakurqan fn gap_column_gap_child_margins
tests/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs

ukhunpi t'ikrakurqan fn justify_content_min_width_with_padding_child_width_greater_than_parent
tests/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs

ukhunpi t'ikrakurqan fn justify_content_min_width_with_padding_child_width_lower_than_parent
tests/generated/justify_content_row_max_width_and_margin.rs

ukhunpi t'ikrakurqan fn justify_content_row_max_width_and_margin
tests/generated/justify_content_row_min_width_and_margin.rs

ukhunpi t'ikrakurqan fn justify_content_row_min_width_and_margin
tests/generated/margin_and_flex_row.rs

ukhunpi t'ikrakurqan fn margin_and_flex_row
tests/generated/margin_and_stretch_column.rs

ukhunpi t'ikrakurqan fn margin_and_stretch_column
tests/generated/margin_auto_left.rs

ukhunpi t'ikrakurqan fn margin_auto_left
tests/generated/margin_auto_left_and_right.rs

ukhunpi t'ikrakurqan fn margin_auto_left_and_right
tests/generated/margin_auto_left_and_right_column.rs

ukhunpi t'ikrakurqan fn margin_auto_left_and_right_column
tests/generated/margin_auto_left_and_right_column_and_center.rs

ukhunpi t'ikrakurqan fn margin_auto_left_and_right_column_and_center
tests/generated/margin_auto_left_and_right_strech.rs

ukhunpi t'ikrakurqan fn margin_auto_left_and_right_strech
tests/generated/margin_auto_left_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn margin_auto_left_child_bigger_than_parent
tests/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn margin_auto_left_fix_right_child_bigger_than_parent
tests/generated/margin_auto_left_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn margin_auto_left_right_child_bigger_than_parent
tests/generated/margin_auto_left_stretching_child.rs

ukhunpi t'ikrakurqan fn margin_auto_left_stretching_child
tests/generated/margin_auto_mutiple_children_row.rs

ukhunpi t'ikrakurqan fn margin_auto_mutiple_children_row
tests/generated/margin_auto_right.rs

ukhunpi t'ikrakurqan fn margin_auto_right
tests/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs

ukhunpi t'ikrakurqan fn margin_fix_left_auto_right_child_bigger_than_parent
tests/generated/margin_left.rs

ukhunpi t'ikrakurqan fn margin_left
tests/generated/margin_right.rs

ukhunpi t'ikrakurqan fn margin_right
tests/generated/margin_should_not_be_part_of_max_width.rs

ukhunpi t'ikrakurqan fn margin_should_not_be_part_of_max_width
tests/generated/margin_with_sibling_row.rs

ukhunpi t'ikrakurqan fn margin_with_sibling_row
tests/generated/padding_align_end_child.rs

ukhunpi t'ikrakurqan fn padding_align_end_child
tests/generated/padding_center_child.rs

ukhunpi t'ikrakurqan fn padding_center_child
tests/generated/padding_flex_child.rs

ukhunpi t'ikrakurqan fn padding_flex_child
tests/generated/padding_no_child.rs

ukhunpi t'ikrakurqan fn padding_no_child
tests/generated/padding_stretch_child.rs

ukhunpi t'ikrakurqan fn padding_stretch_child
tests/generated/percent_absolute_position.rs

ukhunpi t'ikrakurqan fn percent_absolute_position
tests/generated/percentage_absolute_position.rs

ukhunpi t'ikrakurqan fn percentage_absolute_position
tests/generated/percentage_margin_should_calculate_based_only_on_width.rs

ukhunpi t'ikrakurqan fn percentage_margin_should_calculate_based_only_on_width
tests/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs

ukhunpi t'ikrakurqan fn percentage_multiple_nested_with_padding_margin_and_percentage_values
tests/generated/percentage_padding_should_calculate_based_only_on_width.rs

ukhunpi t'ikrakurqan fn percentage_padding_should_calculate_based_only_on_width
tests/generated/percentage_position_bottom_right.rs

ukhunpi t'ikrakurqan fn percentage_position_bottom_right
tests/generated/percentage_position_left_top.rs

ukhunpi t'ikrakurqan fn percentage_position_left_top
tests/generated/percentage_size_based_on_parent_inner_size.rs

ukhunpi t'ikrakurqan fn percentage_size_based_on_parent_inner_size
tests/generated/size_defined_by_child_with_border.rs

ukhunpi t'ikrakurqan fn size_defined_by_child_with_border
tests/generated/size_defined_by_child_with_padding.rs

ukhunpi t'ikrakurqan fn size_defined_by_child_with_padding
tests/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs

ukhunpi t'ikrakurqan fn wrap_nodes_with_content_sizing_overflowing_margin
tests/generated/wrapped_column_max_height.rs

ukhunpi t'ikrakurqan fn wrapped_column_max_height
tests/generated/wrapped_column_max_height_flex.rs

ukhunpi t'ikrakurqan fn wrapped_column_max_height_flex
tests/measure.rs

ukhunpi t'ikrakurqan fn measure_child_constraint_padding_parent
115 qillqakuna · +293 −288

diff --git a/benches/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs b/benches/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
index 7fd33dc84..6a5b02e61 100644
--- a/benches/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
+++ b/benches/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
@@ -9,7 +9,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(40f32),
                     ..Default::default()
                 },
-                position: taffy::geometry::Rect { start: taffy::style::Dimension::Points(5f32), ..Default::default() },
+                position: taffy::geometry::Rect { left: taffy::style::Dimension::Points(5f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs b/benches/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
index 90a59bd1f..033bf3880 100644
--- a/benches/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
+++ b/benches/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
@@ -9,7 +9,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(40f32),
                     ..Default::default()
                 },
-                position: taffy::geometry::Rect { end: taffy::style::Dimension::Points(5f32), ..Default::default() },
+                position: taffy::geometry::Rect { right: taffy::style::Dimension::Points(5f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/absolute_layout_start_top_end_bottom.rs b/benches/generated/absolute_layout_start_top_end_bottom.rs
index 0ab7e32a7..31ad9203e 100644
--- a/benches/generated/absolute_layout_start_top_end_bottom.rs
+++ b/benches/generated/absolute_layout_start_top_end_bottom.rs
@@ -5,8 +5,8 @@ pub fn compute() {
             taffy::style::Style {
                 position_type: taffy::style::PositionType::Absolute,
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/absolute_layout_width_height_end_bottom.rs b/benches/generated/absolute_layout_width_height_end_bottom.rs
index add84bec5..6644673f9 100644
--- a/benches/generated/absolute_layout_width_height_end_bottom.rs
+++ b/benches/generated/absolute_layout_width_height_end_bottom.rs
@@ -10,7 +10,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
diff --git a/benches/generated/absolute_layout_width_height_start_top.rs b/benches/generated/absolute_layout_width_height_start_top.rs
index e53564707..5e2e511a7 100644
--- a/benches/generated/absolute_layout_width_height_start_top.rs
+++ b/benches/generated/absolute_layout_width_height_start_top.rs
@@ -10,7 +10,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
diff --git a/benches/generated/absolute_layout_width_height_start_top_end_bottom.rs b/benches/generated/absolute_layout_width_height_start_top_end_bottom.rs
index 505acfb31..96ba399d4 100644
--- a/benches/generated/absolute_layout_width_height_start_top_end_bottom.rs
+++ b/benches/generated/absolute_layout_width_height_start_top_end_bottom.rs
@@ -10,8 +10,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/absolute_layout_within_border.rs b/benches/generated/absolute_layout_within_border.rs
index 00a5a60f3..2a3a628ea 100644
--- a/benches/generated/absolute_layout_within_border.rs
+++ b/benches/generated/absolute_layout_within_border.rs
@@ -10,7 +10,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(0f32),
+                    left: taffy::style::Dimension::Points(0f32),
                     top: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -29,7 +29,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(0f32),
+                    right: taffy::style::Dimension::Points(0f32),
                     bottom: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -48,14 +48,14 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(0f32),
+                    left: taffy::style::Dimension::Points(0f32),
                     top: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -74,14 +74,14 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(0f32),
+                    right: taffy::style::Dimension::Points(0f32),
                     bottom: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -99,15 +99,15 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/align_items_center_child_with_margin_bigger_than_parent.rs b/benches/generated/align_items_center_child_with_margin_bigger_than_parent.rs
index 7350548a9..c6c4b97c4 100644
--- a/benches/generated/align_items_center_child_with_margin_bigger_than_parent.rs
+++ b/benches/generated/align_items_center_child_with_margin_bigger_than_parent.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs b/benches/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
index 1130768f1..892c1af6e 100644
--- a/benches/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
+++ b/benches/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/border_flex_child.rs b/benches/generated/border_flex_child.rs
index f6f311549..a2b4d0dd2 100644
--- a/benches/generated/border_flex_child.rs
+++ b/benches/generated/border_flex_child.rs
@@ -19,8 +19,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/border_no_child.rs b/benches/generated/border_no_child.rs
index 6a693aad4..27e7fad2c 100644
--- a/benches/generated/border_no_child.rs
+++ b/benches/generated/border_no_child.rs
@@ -4,8 +4,8 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/border_stretch_child.rs b/benches/generated/border_stretch_child.rs
index 935776ddd..b607d1ab9 100644
--- a/benches/generated/border_stretch_child.rs
+++ b/benches/generated/border_stretch_child.rs
@@ -18,8 +18,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/display_none_with_margin.rs b/benches/generated/display_none_with_margin.rs
index 540afb303..e049c66d9 100644
--- a/benches/generated/display_none_with_margin.rs
+++ b/benches/generated/display_none_with_margin.rs
@@ -10,8 +10,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/gap_column_gap_child_margins.rs b/benches/generated/gap_column_gap_child_margins.rs
index 1a1b078d8..ac32a9663 100644
--- a/benches/generated/gap_column_gap_child_margins.rs
+++ b/benches/generated/gap_column_gap_child_margins.rs
@@ -7,8 +7,8 @@ pub fn compute() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(2f32),
-                    end: taffy::style::Dimension::Points(2f32),
+                    left: taffy::style::Dimension::Points(2f32),
+                    right: taffy::style::Dimension::Points(2f32),
                     ..Default::default()
                 },
                 ..Default::default()
@@ -23,8 +23,8 @@ pub fn compute() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
@@ -39,8 +39,8 @@ pub fn compute() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(15f32),
-                    end: taffy::style::Dimension::Points(15f32),
+                    left: taffy::style::Dimension::Points(15f32),
+                    right: taffy::style::Dimension::Points(15f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs b/benches/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
index 5a7110287..24a4ad99c 100644
--- a/benches/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
+++ b/benches/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
@@ -22,8 +22,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(100f32),
-                    end: taffy::style::Dimension::Points(100f32),
+                    left: taffy::style::Dimension::Points(100f32),
+                    right: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs b/benches/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
index 5854257d1..7e6522621 100644
--- a/benches/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
+++ b/benches/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
@@ -22,8 +22,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(100f32),
-                    end: taffy::style::Dimension::Points(100f32),
+                    left: taffy::style::Dimension::Points(100f32),
+                    right: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/justify_content_row_max_width_and_margin.rs b/benches/generated/justify_content_row_max_width_and_margin.rs
index 5accc9619..e5353f1b2 100644
--- a/benches/generated/justify_content_row_max_width_and_margin.rs
+++ b/benches/generated/justify_content_row_max_width_and_margin.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(100f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(100f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/justify_content_row_min_width_and_margin.rs b/benches/generated/justify_content_row_min_width_and_margin.rs
index 635ed97dc..0af599913 100644
--- a/benches/generated/justify_content_row_min_width_and_margin.rs
+++ b/benches/generated/justify_content_row_min_width_and_margin.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_and_flex_row.rs b/benches/generated/margin_and_flex_row.rs
index 3a1d8f301..559d83e5b 100644
--- a/benches/generated/margin_and_flex_row.rs
+++ b/benches/generated/margin_and_flex_row.rs
@@ -5,8 +5,8 @@ pub fn compute() {
             taffy::style::Style {
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_and_stretch_column.rs b/benches/generated/margin_and_stretch_column.rs
index 383924576..478d82e9b 100644
--- a/benches/generated/margin_and_stretch_column.rs
+++ b/benches/generated/margin_and_stretch_column.rs
@@ -5,8 +5,8 @@ pub fn compute() {
             taffy::style::Style {
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left.rs b/benches/generated/margin_auto_left.rs
index c36f314e3..ac07b6780 100644
--- a/benches/generated/margin_auto_left.rs
+++ b/benches/generated/margin_auto_left.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_auto_left_and_right.rs b/benches/generated/margin_auto_left_and_right.rs
index 2e0f3510a..ed593a568 100644
--- a/benches/generated/margin_auto_left_and_right.rs
+++ b/benches/generated/margin_auto_left_and_right.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_and_right_column.rs b/benches/generated/margin_auto_left_and_right_column.rs
index 09416f8d3..95b5cf21e 100644
--- a/benches/generated/margin_auto_left_and_right_column.rs
+++ b/benches/generated/margin_auto_left_and_right_column.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_and_right_column_and_center.rs b/benches/generated/margin_auto_left_and_right_column_and_center.rs
index 09416f8d3..95b5cf21e 100644
--- a/benches/generated/margin_auto_left_and_right_column_and_center.rs
+++ b/benches/generated/margin_auto_left_and_right_column_and_center.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_and_right_strech.rs b/benches/generated/margin_auto_left_and_right_strech.rs
index 2e0f3510a..ed593a568 100644
--- a/benches/generated/margin_auto_left_and_right_strech.rs
+++ b/benches/generated/margin_auto_left_and_right_strech.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_child_bigger_than_parent.rs b/benches/generated/margin_auto_left_child_bigger_than_parent.rs
index 4d2d3bc2c..c75df0efe 100644
--- a/benches/generated/margin_auto_left_child_bigger_than_parent.rs
+++ b/benches/generated/margin_auto_left_child_bigger_than_parent.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(72f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs b/benches/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
index 2379f4b11..9e9e0404f 100644
--- a/benches/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
+++ b/benches/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_right_child_bigger_than_parent.rs b/benches/generated/margin_auto_left_right_child_bigger_than_parent.rs
index 4e24650ad..893e5d683 100644
--- a/benches/generated/margin_auto_left_right_child_bigger_than_parent.rs
+++ b/benches/generated/margin_auto_left_right_child_bigger_than_parent.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_auto_left_stretching_child.rs b/benches/generated/margin_auto_left_stretching_child.rs
index d9c32a695..1748e0584 100644
--- a/benches/generated/margin_auto_left_stretching_child.rs
+++ b/benches/generated/margin_auto_left_stretching_child.rs
@@ -6,7 +6,7 @@ pub fn compute() {
                 flex_grow: 1f32,
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_auto_mutiple_children_row.rs b/benches/generated/margin_auto_mutiple_children_row.rs
index 8a257ccd6..e75e2eb76 100644
--- a/benches/generated/margin_auto_mutiple_children_row.rs
+++ b/benches/generated/margin_auto_mutiple_children_row.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
@@ -22,7 +22,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_auto_right.rs b/benches/generated/margin_auto_right.rs
index 81be597d4..b2733a78d 100644
--- a/benches/generated/margin_auto_right.rs
+++ b/benches/generated/margin_auto_right.rs
@@ -8,7 +8,7 @@ pub fn compute() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs b/benches/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
index 0cfb7f8c1..394618cec 100644
--- a/benches/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
+++ b/benches/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/margin_left.rs b/benches/generated/margin_left.rs
index 7f36b2b27..9b42900c8 100644
--- a/benches/generated/margin_left.rs
+++ b/benches/generated/margin_left.rs
@@ -4,7 +4,7 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), ..Default::default() },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_right.rs b/benches/generated/margin_right.rs
index f3a88fa45..d138a0c5f 100644
--- a/benches/generated/margin_right.rs
+++ b/benches/generated/margin_right.rs
@@ -4,7 +4,7 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), ..Default::default() },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_should_not_be_part_of_max_width.rs b/benches/generated/margin_should_not_be_part_of_max_width.rs
index 897ef2cc9..0a848e8d3 100644
--- a/benches/generated/margin_should_not_be_part_of_max_width.rs
+++ b/benches/generated/margin_should_not_be_part_of_max_width.rs
@@ -12,7 +12,7 @@ pub fn compute() {
                     width: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(20f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(20f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/margin_with_sibling_row.rs b/benches/generated/margin_with_sibling_row.rs
index 83ad1769a..a6415510d 100644
--- a/benches/generated/margin_with_sibling_row.rs
+++ b/benches/generated/margin_with_sibling_row.rs
@@ -4,7 +4,7 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 flex_grow: 1f32,
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/benches/generated/padding_align_end_child.rs b/benches/generated/padding_align_end_child.rs
index 9a69f5fae..c516002bc 100644
--- a/benches/generated/padding_align_end_child.rs
+++ b/benches/generated/padding_align_end_child.rs
@@ -9,8 +9,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/benches/generated/padding_center_child.rs b/benches/generated/padding_center_child.rs
index d3c5f209f..b323a0826 100644
--- a/benches/generated/padding_center_child.rs
+++ b/benches/generated/padding_center_child.rs
@@ -24,8 +24,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/benches/generated/padding_flex_child.rs b/benches/generated/padding_flex_child.rs
index ea0f9fc12..2d5152d42 100644
--- a/benches/generated/padding_flex_child.rs
+++ b/benches/generated/padding_flex_child.rs
@@ -19,8 +19,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/padding_no_child.rs b/benches/generated/padding_no_child.rs
index 1efd79499..5ac1592c1 100644
--- a/benches/generated/padding_no_child.rs
+++ b/benches/generated/padding_no_child.rs
@@ -4,8 +4,8 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/padding_stretch_child.rs b/benches/generated/padding_stretch_child.rs
index edce37e35..2acb3aa82 100644
--- a/benches/generated/padding_stretch_child.rs
+++ b/benches/generated/padding_stretch_child.rs
@@ -18,8 +18,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/percent_absolute_position.rs b/benches/generated/percent_absolute_position.rs
index f20b73599..f74374dd5 100644
--- a/benches/generated/percent_absolute_position.rs
+++ b/benches/generated/percent_absolute_position.rs
@@ -28,7 +28,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.5f32),
+                    left: taffy::style::Dimension::Percent(0.5f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/benches/generated/percentage_absolute_position.rs b/benches/generated/percentage_absolute_position.rs
index bc7792796..0e06f3776 100644
--- a/benches/generated/percentage_absolute_position.rs
+++ b/benches/generated/percentage_absolute_position.rs
@@ -10,7 +10,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.3f32),
+                    left: taffy::style::Dimension::Percent(0.3f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
                 },
diff --git a/benches/generated/percentage_margin_should_calculate_based_only_on_width.rs b/benches/generated/percentage_margin_should_calculate_based_only_on_width.rs
index 95106134c..d6aeacb33 100644
--- a/benches/generated/percentage_margin_should_calculate_based_only_on_width.rs
+++ b/benches/generated/percentage_margin_should_calculate_based_only_on_width.rs
@@ -19,8 +19,8 @@ pub fn compute() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
-                    end: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
+                    right: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
diff --git a/benches/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs b/benches/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
index 64ae8e62c..6a6c874ba 100644
--- a/benches/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
+++ b/benches/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
@@ -5,15 +5,15 @@ pub fn compute() {
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.45f32), ..Default::default() },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.05f32),
-                    end: taffy::style::Dimension::Percent(0.05f32),
+                    left: taffy::style::Dimension::Percent(0.05f32),
+                    right: taffy::style::Dimension::Percent(0.05f32),
                     top: taffy::style::Dimension::Percent(0.05f32),
                     bottom: taffy::style::Dimension::Percent(0.05f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(3f32),
-                    end: taffy::style::Dimension::Points(3f32),
+                    left: taffy::style::Dimension::Points(3f32),
+                    right: taffy::style::Dimension::Points(3f32),
                     top: taffy::style::Dimension::Points(3f32),
                     bottom: taffy::style::Dimension::Points(3f32),
                     ..Default::default()
@@ -29,15 +29,15 @@ pub fn compute() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.5f32), ..Default::default() },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(5f32),
-                    end: taffy::style::Dimension::Points(5f32),
+                    left: taffy::style::Dimension::Points(5f32),
+                    right: taffy::style::Dimension::Points(5f32),
                     top: taffy::style::Dimension::Points(5f32),
                     bottom: taffy::style::Dimension::Points(5f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.03f32),
-                    end: taffy::style::Dimension::Percent(0.03f32),
+                    left: taffy::style::Dimension::Percent(0.03f32),
+                    right: taffy::style::Dimension::Percent(0.03f32),
                     top: taffy::style::Dimension::Percent(0.03f32),
                     bottom: taffy::style::Dimension::Percent(0.03f32),
                     ..Default::default()
@@ -58,15 +58,15 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(5f32),
-                    end: taffy::style::Dimension::Points(5f32),
+                    left: taffy::style::Dimension::Points(5f32),
+                    right: taffy::style::Dimension::Points(5f32),
                     top: taffy::style::Dimension::Points(5f32),
                     bottom: taffy::style::Dimension::Points(5f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(3f32),
-                    end: taffy::style::Dimension::Points(3f32),
+                    left: taffy::style::Dimension::Points(3f32),
+                    right: taffy::style::Dimension::Points(3f32),
                     top: taffy::style::Dimension::Points(3f32),
                     bottom: taffy::style::Dimension::Points(3f32),
                     ..Default::default()
diff --git a/benches/generated/percentage_padding_should_calculate_based_only_on_width.rs b/benches/generated/percentage_padding_should_calculate_based_only_on_width.rs
index a8605be3a..417459abe 100644
--- a/benches/generated/percentage_padding_should_calculate_based_only_on_width.rs
+++ b/benches/generated/percentage_padding_should_calculate_based_only_on_width.rs
@@ -19,8 +19,8 @@ pub fn compute() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 flex_grow: 1f32,
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
-                    end: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
+                    right: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
diff --git a/benches/generated/percentage_position_bottom_right.rs b/benches/generated/percentage_position_bottom_right.rs
index a11561e2d..6a3a80472 100644
--- a/benches/generated/percentage_position_bottom_right.rs
+++ b/benches/generated/percentage_position_bottom_right.rs
@@ -9,7 +9,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Percent(0.2f32),
+                    right: taffy::style::Dimension::Percent(0.2f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
                 },
diff --git a/benches/generated/percentage_position_left_top.rs b/benches/generated/percentage_position_left_top.rs
index 0ae91af23..c270080c3 100644
--- a/benches/generated/percentage_position_left_top.rs
+++ b/benches/generated/percentage_position_left_top.rs
@@ -9,7 +9,7 @@ pub fn compute() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.2f32),
                     ..Default::default()
                 },
diff --git a/benches/generated/percentage_size_based_on_parent_inner_size.rs b/benches/generated/percentage_size_based_on_parent_inner_size.rs
index 25ecb1fc8..0d4c1e4d3 100644
--- a/benches/generated/percentage_size_based_on_parent_inner_size.rs
+++ b/benches/generated/percentage_size_based_on_parent_inner_size.rs
@@ -23,8 +23,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/benches/generated/size_defined_by_child_with_border.rs b/benches/generated/size_defined_by_child_with_border.rs
index 6c82516b8..2636a1d1d 100644
--- a/benches/generated/size_defined_by_child_with_border.rs
+++ b/benches/generated/size_defined_by_child_with_border.rs
@@ -17,8 +17,8 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/size_defined_by_child_with_padding.rs b/benches/generated/size_defined_by_child_with_padding.rs
index 0bcc26266..63d5cfdd4 100644
--- a/benches/generated/size_defined_by_child_with_padding.rs
+++ b/benches/generated/size_defined_by_child_with_padding.rs
@@ -17,8 +17,8 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/benches/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs b/benches/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
index 540cffde6..36773c8c6 100644
--- a/benches/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
+++ b/benches/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
@@ -36,7 +36,7 @@ pub fn compute() {
         .new_with_children(
             taffy::style::Style {
                 flex_direction: taffy::style::FlexDirection::Column,
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[node010],
diff --git a/benches/generated/wrapped_column_max_height.rs b/benches/generated/wrapped_column_max_height.rs
index 8896ee392..18e7cc59e 100644
--- a/benches/generated/wrapped_column_max_height.rs
+++ b/benches/generated/wrapped_column_max_height.rs
@@ -26,8 +26,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/benches/generated/wrapped_column_max_height_flex.rs b/benches/generated/wrapped_column_max_height_flex.rs
index 07efd6862..c2b871a23 100644
--- a/benches/generated/wrapped_column_max_height_flex.rs
+++ b/benches/generated/wrapped_column_max_height_flex.rs
@@ -32,8 +32,8 @@ pub fn compute() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/scripts/gentest/src/main.rs b/scripts/gentest/src/main.rs
index ff5252085..cb793a11b 100644
--- a/scripts/gentest/src/main.rs
+++ b/scripts/gentest/src/main.rs
@@ -553,13 +553,13 @@ fn generate_dimension(dimen: &json::object::Object) -> TokenStream {
 }
 
 fn generate_edges(dimen: &json::object::Object) -> TokenStream {
-    dim_quoted!(dimen, start);
-    dim_quoted!(dimen, end);
+    dim_quoted!(dimen, left);
+    dim_quoted!(dimen, right);
     dim_quoted!(dimen, top);
     dim_quoted!(dimen, bottom);
 
     quote!(taffy::geometry::Rect {
-        #start #end #top #bottom
+        #left #right #top #bottom
         ..Default::default()
     })
 }
diff --git a/scripts/gentest/test_helper.js b/scripts/gentest/test_helper.js
index 184cdf7e2..376fd2a52 100644
--- a/scripts/gentest/test_helper.js
+++ b/scripts/gentest/test_helper.js
@@ -102,13 +102,13 @@ function parseEnum(input) {
 }
 
 function parseEdges(edges) {
-  const start = parseDimension(edges.start);
-  const end = parseDimension(edges.end);
+  const left = parseDimension(edges.left);
+  const right = parseDimension(edges.right);
   const top = parseDimension(edges.top);
   const bottom = parseDimension(edges.bottom);
   
-  if (!start && !end && !top && !bottom) return undefined;
-  return { start, end, top, bottom };
+  if (!left && !right && !top && !bottom) return undefined;
+  return { left, right, top, bottom };
 }
 
 function parseSize(size) {
@@ -190,29 +190,29 @@ function describeElement(e) {
       maxSize: parseSize({width: e.style.maxWidth, height: e.style.maxHeight}),
 
       margin: parseEdges({
-        start: e.style.marginLeft,
-        end: e.style.marginRight,
+        left: e.style.marginLeft,
+        right: e.style.marginRight,
         top: e.style.marginTop,
         bottom: e.style.marginBottom,
       }),
 
       padding: parseEdges({
-        start: e.style.paddingLeft,
-        end: e.style.paddingRight,
+        left: e.style.paddingLeft,
+        right: e.style.paddingRight,
         top: e.style.paddingTop,
         bottom: e.style.paddingBottom,
       }),
 
       border: parseEdges({
-        start: e.style.borderLeftWidth,
-        end: e.style.borderRightWidth,
+        left: e.style.borderLeftWidth,
+        right: e.style.borderRightWidth,
         top: e.style.borderTopWidth,
         bottom: e.style.borderBottomWidth,
       }),
 
       position: parseEdges({
-        start: e.style.left,
-        end: e.style.right,
+        left: e.style.left,
+        right: e.style.right,
         top: e.style.top,
         bottom: e.style.bottom,
       }),
diff --git a/src/compute/flexbox.rs b/src/compute/flexbox.rs
index 826485bce..f4bcdde79 100644
--- a/src/compute/flexbox.rs
+++ b/src/compute/flexbox.rs
@@ -357,8 +357,8 @@ fn compute_constants(style: &Style, node_size: Size<Option<f32>>, parent_size: S
     let border = style.border.resolve_or_default(parent_size.width.into_option());
 
     let padding_border = Rect {
-        start: padding.start + border.start,
-        end: padding.end + border.end,
+        left: padding.left + border.left,
+        right: padding.right + border.right,
         top: padding.top + border.top,
         bottom: padding.bottom + border.bottom,
     };
@@ -1219,14 +1219,14 @@ fn distribute_remaining_free_space(
                 let child_style = tree.style(child.node);
                 if child_style.main_margin_start(constants.dir) == Dimension::Auto {
                     if constants.is_row {
-                        child.margin.start = margin;
+                        child.margin.left = margin;
                     } else {
                         child.margin.top = margin;
                     }
                 }
                 if child_style.main_margin_end(constants.dir) == Dimension::Auto {
                     if constants.is_row {
-                        child.margin.end = margin;
+                        child.margin.right = margin;
                     } else {
                         child.margin.bottom = margin;
                     }
@@ -1337,20 +1337,20 @@ fn resolve_cross_axis_auto_margins(
                     child.margin.top = free_space / 2.0;
                     child.margin.bottom = free_space / 2.0;
                 } else {
-                    child.margin.start = free_space / 2.0;
-                    child.margin.end = free_space / 2.0;
+                    child.margin.left = free_space / 2.0;
+                    child.margin.right = free_space / 2.0;
                 }
             } else if child_style.cross_margin_start(constants.dir) == Dimension::Auto {
                 if constants.is_row {
                     child.margin.top = free_space;
                 } else {
-                    child.margin.start = free_space;
+                    child.margin.left = free_space;
                 }
             } else if child_style.cross_margin_end(constants.dir) == Dimension::Auto {
                 if constants.is_row {
                     child.margin.bottom = free_space;
                 } else {
-                    child.margin.end = free_space;
+                    child.margin.right = free_space;
                 }
             } else {
                 // 14. Align all flex items along the cross-axis.
@@ -1686,12 +1686,12 @@ fn perform_absolute_layout_on_absolute_children(tree: &mut impl LayoutTree, node
         let child_style = tree.style(child);
 
         // X-axis
-        let child_position_start = child_style.position.start.maybe_resolve(container_width);
-        let child_margin_start = child_style.margin.start.maybe_resolve(container_width);
+        let child_position_start = child_style.position.left.maybe_resolve(container_width);
+        let child_margin_start = child_style.margin.left.maybe_resolve(container_width);
         let start = child_position_start.maybe_add(child_margin_start);
 
-        let child_position_end = child_style.position.end.maybe_resolve(container_width);
-        let child_margin_end = child_style.margin.end.maybe_resolve(container_width);
+        let child_position_end = child_style.position.right.maybe_resolve(container_width);
+        let child_margin_end = child_style.margin.right.maybe_resolve(container_width);
         let end = child_position_end.maybe_add(child_margin_end);
 
         // Y-axis
@@ -1893,8 +1893,8 @@ mod tests {
 
         // TODO: Replace with something less hardcoded?
         let padding_border = Rect {
-            start: padding.start + border.start,
-            end: padding.end + border.end,
+            left: padding.left + border.left,
+            right: padding.right + border.right,
             top: padding.top + border.top,
             bottom: padding.bottom + border.bottom,
         };
diff --git a/src/geometry.rs b/src/geometry.rs
index 31bc3c8ed..7f871b926 100644
--- a/src/geometry.rs
+++ b/src/geometry.rs
@@ -13,13 +13,13 @@ pub struct Rect<T> {
     ///
     /// The starting edge is the left edge when working with LTR text,
     /// and the right edge when working with RTL text.
-    pub start: T,
+    pub left: T,
     /// This can represent either the x-coordinate of the ending edge,
     /// or the amount of padding on the ending side.
     ///
     /// The ending edge is the right edge when working with LTR text,
     /// and the left edge when working with RTL text.
-    pub end: T,
+    pub right: T,
     /// This can represent either the y-coordinate of the top edge,
     /// or the amount of padding on the top side.
     pub top: T,
@@ -40,8 +40,8 @@ impl<T> Rect<T> {
         U: Copy,
     {
         Rect {
-            start: f(self.start, size.width),
-            end: f(self.end, size.width),
+            left: f(self.left, size.width),
+            right: f(self.right, size.width),
             top: f(self.top, size.height),
             bottom: f(self.bottom, size.height),
         }
@@ -58,7 +58,7 @@ where
     ///
     /// **NOTE:** this is *not* the width of the rectangle.
     pub(crate) fn horizontal_axis_sum(&self) -> T {
-        self.start + self.end
+        self.left + self.right
     }
 
     /// The sum of [`Rect.top`](Rect) and [`Rect.bottom`](Rect)
@@ -104,7 +104,7 @@ where
     /// The `start` or `top` value of the [`Rect`], from the perspective of the main layout axis
     pub(crate) fn main_start(&self, direction: FlexDirection) -> T {
         if direction.is_row() {
-            self.start
+            self.left
         } else {
             self.top
         }
@@ -113,7 +113,7 @@ where
     /// The `end` or `bottom` value of the [`Rect`], from the perspective of the main layout axis
     pub(crate) fn main_end(&self, direction: FlexDirection) -> T {
         if direction.is_row() {
-            self.end
+            self.right
         } else {
             self.bottom
         }
@@ -124,7 +124,7 @@ where
         if direction.is_row() {
             self.top
         } else {
-            self.start
+            self.left
         }
     }
 
@@ -133,19 +133,19 @@ where
         if direction.is_row() {
             self.bottom
         } else {
-            self.end
+            self.right
         }
     }
 }
 
 impl Rect<f32> {
     /// Creates a new Rect with `0.0` as all parameters
-    pub const ZERO: Rect<f32> = Self { start: 0.0, end: 0.0, top: 0.0, bottom: 0.0 };
+    pub const ZERO: Rect<f32> = Self { left: 0.0, right: 0.0, top: 0.0, bottom: 0.0 };
 
     /// Creates a new Rect
     #[must_use]
     pub const fn new(start: f32, end: f32, top: f32, bottom: f32) -> Self {
-        Self { start, end, top, bottom }
+        Self { left: start, right: end, top, bottom }
     }
 }
 
diff --git a/src/resolve.rs b/src/resolve.rs
index e8895d213..08f85c5d7 100644
--- a/src/resolve.rs
+++ b/src/resolve.rs
@@ -77,8 +77,8 @@ impl ResolveOrDefault<Size<Option<f32>>, Size<f32>> for Size<Dimension> {
 impl ResolveOrDefault<Size<Option<f32>>, Rect<f32>> for Rect<Dimension> {
     fn resolve_or_default(self, context: Size<Option<f32>>) -> Rect<f32> {
         Rect {
-            start: self.start.resolve_or_default(context.width),
-            end: self.end.resolve_or_default(context.width),
+            left: self.left.resolve_or_default(context.width),
+            right: self.right.resolve_or_default(context.width),
             top: self.top.resolve_or_default(context.height),
             bottom: self.bottom.resolve_or_default(context.height),
         }
@@ -88,8 +88,8 @@ impl ResolveOrDefault<Size<Option<f32>>, Rect<f32>> for Rect<Dimension> {
 impl ResolveOrDefault<Option<f32>, Rect<f32>> for Rect<Dimension> {
     fn resolve_or_default(self, context: Option<f32>) -> Rect<f32> {
         Rect {
-            start: self.start.resolve_or_default(context),
-            end: self.end.resolve_or_default(context),
+            left: self.left.resolve_or_default(context),
+            right: self.right.resolve_or_default(context),
             top: self.top.resolve_or_default(context),
             bottom: self.bottom.resolve_or_default(context),
         }
diff --git a/src/style.rs b/src/style.rs
index 315097fc5..7b0b13491 100644
--- a/src/style.rs
+++ b/src/style.rs
@@ -283,7 +283,12 @@ impl Dimension {
 
 impl Default for Rect<Dimension> {
     fn default() -> Self {
-        Self { start: Default::default(), end: Default::default(), top: Default::default(), bottom: Default::default() }
+        Self {
+            left: Default::default(),
+            right: Default::default(),
+            top: Default::default(),
+            bottom: Default::default(),
+        }
     }
 }
 
@@ -291,45 +296,45 @@ impl Rect<Dimension> {
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Points`] values for `start` and `top`
     #[must_use]
     pub const fn top_from_points(start: f32, top: f32) -> Rect<Dimension> {
-        Rect { start: Dimension::Points(start), top: Dimension::Points(top), ..Rect::AUTO }
+        Rect { left: Dimension::Points(start), top: Dimension::Points(top), ..Rect::AUTO }
     }
 
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Points`] values for `end` and `bottom`
     #[must_use]
     pub const fn bot_from_points(end: f32, bottom: f32) -> Rect<Dimension> {
-        Rect { end: Dimension::Points(end), bottom: Dimension::Points(bottom), ..Rect::AUTO }
+        Rect { right: Dimension::Points(end), bottom: Dimension::Points(bottom), ..Rect::AUTO }
     }
 
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Percent`] values for `start` and `top`
     #[must_use]
     pub const fn top_from_percent(start: f32, top: f32) -> Rect<Dimension> {
-        Rect { start: Dimension::Percent(start), top: Dimension::Percent(top), ..Rect::AUTO }
+        Rect { left: Dimension::Percent(start), top: Dimension::Percent(top), ..Rect::AUTO }
     }
 
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Percent`] values for `end` and `bottom`
     #[must_use]
     pub const fn bot_from_percent(end: f32, bottom: f32) -> Rect<Dimension> {
-        Rect { end: Dimension::Percent(end), bottom: Dimension::Percent(bottom), ..Rect::AUTO }
+        Rect { right: Dimension::Percent(end), bottom: Dimension::Percent(bottom), ..Rect::AUTO }
     }
 
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Undefined`] for all values
     pub const UNDEFINED: Rect<Dimension> = Self {
-        start: Dimension::Undefined,
-        end: Dimension::Undefined,
+        left: Dimension::Undefined,
+        right: Dimension::Undefined,
         top: Dimension::Undefined,
         bottom: Dimension::Undefined,
     };
 
     /// Generates a [`Rect<Dimension>`] using [`Dimension::Auto`] for all values
     pub const AUTO: Rect<Dimension> =
-        Self { start: Dimension::Auto, end: Dimension::Auto, top: Dimension::Auto, bottom: Dimension::Auto };
+        Self { left: Dimension::Auto, right: Dimension::Auto, top: Dimension::Auto, bottom: Dimension::Auto };
 
     /// Create a new Rect with [`Dimension::Points`]
     #[must_use]
     pub const fn from_points(start: f32, end: f32, top: f32, bottom: f32) -> Self {
         Rect {
-            start: Dimension::Points(start),
-            end: Dimension::Points(end),
+            left: Dimension::Points(start),
+            right: Dimension::Points(end),
             top: Dimension::Points(top),
             bottom: Dimension::Points(bottom),
         }
@@ -339,8 +344,8 @@ impl Rect<Dimension> {
     #[must_use]
     pub const fn from_percent(start: f32, end: f32, top: f32, bottom: f32) -> Self {
         Rect {
-            start: Dimension::Percent(start),
-            end: Dimension::Percent(end),
+            left: Dimension::Percent(start),
+            right: Dimension::Percent(end),
             top: Dimension::Percent(top),
             bottom: Dimension::Percent(bottom),
         }
@@ -475,7 +480,7 @@ impl Style {
     /// If the `direction` is row-oriented, the margin start. Otherwise the margin top
     pub(crate) fn main_margin_start(&self, direction: FlexDirection) -> Dimension {
         if direction.is_row() {
-            self.margin.start
+            self.margin.left
         } else {
             self.margin.top
         }
@@ -484,7 +489,7 @@ impl Style {
     /// If the `direction` is row-oriented, the margin end. Otherwise the margin bottom
     pub(crate) fn main_margin_end(&self, direction: FlexDirection) -> Dimension {
         if direction.is_row() {
-            self.margin.end
+            self.margin.right
         } else {
             self.margin.bottom
         }
@@ -522,7 +527,7 @@ impl Style {
         if direction.is_row() {
             self.margin.top
         } else {
-            self.margin.start
+            self.margin.left
         }
     }
 
@@ -531,7 +536,7 @@ impl Style {
         if direction.is_row() {
             self.margin.bottom
         } else {
-            self.margin.end
+            self.margin.right
         }
     }
 
diff --git a/tests/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs b/tests/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
index aff5cae8a..30f66b21a 100644
--- a/tests/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
+++ b/tests/generated/absolute_layout_align_items_and_justify_content_center_and_left_position.rs
@@ -10,7 +10,7 @@ fn absolute_layout_align_items_and_justify_content_center_and_left_position() {
                     height: taffy::style::Dimension::Points(40f32),
                     ..Default::default()
                 },
-                position: taffy::geometry::Rect { start: taffy::style::Dimension::Points(5f32), ..Default::default() },
+                position: taffy::geometry::Rect { left: taffy::style::Dimension::Points(5f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs b/tests/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
index 5c1db0909..29be89e91 100644
--- a/tests/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
+++ b/tests/generated/absolute_layout_align_items_and_justify_content_center_and_right_position.rs
@@ -10,7 +10,7 @@ fn absolute_layout_align_items_and_justify_content_center_and_right_position() {
                     height: taffy::style::Dimension::Points(40f32),
                     ..Default::default()
                 },
-                position: taffy::geometry::Rect { end: taffy::style::Dimension::Points(5f32), ..Default::default() },
+                position: taffy::geometry::Rect { right: taffy::style::Dimension::Points(5f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/absolute_layout_start_top_end_bottom.rs b/tests/generated/absolute_layout_start_top_end_bottom.rs
index e560766e7..f77b12913 100644
--- a/tests/generated/absolute_layout_start_top_end_bottom.rs
+++ b/tests/generated/absolute_layout_start_top_end_bottom.rs
@@ -6,8 +6,8 @@ fn absolute_layout_start_top_end_bottom() {
             taffy::style::Style {
                 position_type: taffy::style::PositionType::Absolute,
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/absolute_layout_width_height_end_bottom.rs b/tests/generated/absolute_layout_width_height_end_bottom.rs
index 76a0924bd..5ef93ddbd 100644
--- a/tests/generated/absolute_layout_width_height_end_bottom.rs
+++ b/tests/generated/absolute_layout_width_height_end_bottom.rs
@@ -11,7 +11,7 @@ fn absolute_layout_width_height_end_bottom() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
diff --git a/tests/generated/absolute_layout_width_height_start_top.rs b/tests/generated/absolute_layout_width_height_start_top.rs
index 90e88669f..fd0af4c56 100644
--- a/tests/generated/absolute_layout_width_height_start_top.rs
+++ b/tests/generated/absolute_layout_width_height_start_top.rs
@@ -11,7 +11,7 @@ fn absolute_layout_width_height_start_top() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
diff --git a/tests/generated/absolute_layout_width_height_start_top_end_bottom.rs b/tests/generated/absolute_layout_width_height_start_top_end_bottom.rs
index 7c1058829..890bc0bf9 100644
--- a/tests/generated/absolute_layout_width_height_start_top_end_bottom.rs
+++ b/tests/generated/absolute_layout_width_height_start_top_end_bottom.rs
@@ -11,8 +11,8 @@ fn absolute_layout_width_height_start_top_end_bottom() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/absolute_layout_within_border.rs b/tests/generated/absolute_layout_within_border.rs
index 78f8c5a35..138b5f1a6 100644
--- a/tests/generated/absolute_layout_within_border.rs
+++ b/tests/generated/absolute_layout_within_border.rs
@@ -11,7 +11,7 @@ fn absolute_layout_within_border() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(0f32),
+                    left: taffy::style::Dimension::Points(0f32),
                     top: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -30,7 +30,7 @@ fn absolute_layout_within_border() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(0f32),
+                    right: taffy::style::Dimension::Points(0f32),
                     bottom: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -49,14 +49,14 @@ fn absolute_layout_within_border() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(0f32),
+                    left: taffy::style::Dimension::Points(0f32),
                     top: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -75,14 +75,14 @@ fn absolute_layout_within_border() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Points(0f32),
+                    right: taffy::style::Dimension::Points(0f32),
                     bottom: taffy::style::Dimension::Points(0f32),
                     ..Default::default()
                 },
@@ -100,15 +100,15 @@ fn absolute_layout_within_border() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/align_items_center_child_with_margin_bigger_than_parent.rs b/tests/generated/align_items_center_child_with_margin_bigger_than_parent.rs
index 4bc2b7a20..ddb227b88 100644
--- a/tests/generated/align_items_center_child_with_margin_bigger_than_parent.rs
+++ b/tests/generated/align_items_center_child_with_margin_bigger_than_parent.rs
@@ -10,8 +10,8 @@ fn align_items_center_child_with_margin_bigger_than_parent() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs b/tests/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
index 2975d65f2..19db7d4c0 100644
--- a/tests/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
+++ b/tests/generated/align_items_flex_end_child_with_margin_bigger_than_parent.rs
@@ -10,8 +10,8 @@ fn align_items_flex_end_child_with_margin_bigger_than_parent() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/border_flex_child.rs b/tests/generated/border_flex_child.rs
index fe7e8b934..9d47a97f7 100644
--- a/tests/generated/border_flex_child.rs
+++ b/tests/generated/border_flex_child.rs
@@ -20,8 +20,8 @@ fn border_flex_child() {
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/border_no_child.rs b/tests/generated/border_no_child.rs
index 714e6c59d..6033b8326 100644
--- a/tests/generated/border_no_child.rs
+++ b/tests/generated/border_no_child.rs
@@ -5,8 +5,8 @@ fn border_no_child() {
         .new_with_children(
             taffy::style::Style {
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/border_stretch_child.rs b/tests/generated/border_stretch_child.rs
index f9b2b6890..a21ad850c 100644
--- a/tests/generated/border_stretch_child.rs
+++ b/tests/generated/border_stretch_child.rs
@@ -19,8 +19,8 @@ fn border_stretch_child() {
                     ..Default::default()
                 },
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/display_none_with_margin.rs b/tests/generated/display_none_with_margin.rs
index 7e93d882f..63d0a3bd3 100644
--- a/tests/generated/display_none_with_margin.rs
+++ b/tests/generated/display_none_with_margin.rs
@@ -11,8 +11,8 @@ fn display_none_with_margin() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/gap_column_gap_child_margins.rs b/tests/generated/gap_column_gap_child_margins.rs
index 388eb9ffe..ba1de74d5 100644
--- a/tests/generated/gap_column_gap_child_margins.rs
+++ b/tests/generated/gap_column_gap_child_margins.rs
@@ -8,8 +8,8 @@ fn gap_column_gap_child_margins() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(2f32),
-                    end: taffy::style::Dimension::Points(2f32),
+                    left: taffy::style::Dimension::Points(2f32),
+                    right: taffy::style::Dimension::Points(2f32),
                     ..Default::default()
                 },
                 ..Default::default()
@@ -24,8 +24,8 @@ fn gap_column_gap_child_margins() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
@@ -40,8 +40,8 @@ fn gap_column_gap_child_margins() {
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(15f32),
-                    end: taffy::style::Dimension::Points(15f32),
+                    left: taffy::style::Dimension::Points(15f32),
+                    right: taffy::style::Dimension::Points(15f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs b/tests/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
index fe4fd1903..2912f6b79 100644
--- a/tests/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
+++ b/tests/generated/justify_content_min_width_with_padding_child_width_greater_than_parent.rs
@@ -23,8 +23,8 @@ fn justify_content_min_width_with_padding_child_width_greater_than_parent() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(100f32),
-                    end: taffy::style::Dimension::Points(100f32),
+                    left: taffy::style::Dimension::Points(100f32),
+                    right: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs b/tests/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
index 3a6973faa..ae698b6b1 100644
--- a/tests/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
+++ b/tests/generated/justify_content_min_width_with_padding_child_width_lower_than_parent.rs
@@ -23,8 +23,8 @@ fn justify_content_min_width_with_padding_child_width_lower_than_parent() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(100f32),
-                    end: taffy::style::Dimension::Points(100f32),
+                    left: taffy::style::Dimension::Points(100f32),
+                    right: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/justify_content_row_max_width_and_margin.rs b/tests/generated/justify_content_row_max_width_and_margin.rs
index d3108ffd7..2b1ce60e9 100644
--- a/tests/generated/justify_content_row_max_width_and_margin.rs
+++ b/tests/generated/justify_content_row_max_width_and_margin.rs
@@ -9,7 +9,7 @@ fn justify_content_row_max_width_and_margin() {
                     height: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(100f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(100f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/justify_content_row_min_width_and_margin.rs b/tests/generated/justify_content_row_min_width_and_margin.rs
index e41a9bae0..af0eeacdf 100644
--- a/tests/generated/justify_content_row_min_width_and_margin.rs
+++ b/tests/generated/justify_content_row_min_width_and_margin.rs
@@ -9,7 +9,7 @@ fn justify_content_row_min_width_and_margin() {
                     height: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_and_flex_row.rs b/tests/generated/margin_and_flex_row.rs
index 1805c1e7d..77e21bc43 100644
--- a/tests/generated/margin_and_flex_row.rs
+++ b/tests/generated/margin_and_flex_row.rs
@@ -6,8 +6,8 @@ fn margin_and_flex_row() {
             taffy::style::Style {
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_and_stretch_column.rs b/tests/generated/margin_and_stretch_column.rs
index bd64e1781..a753e3a89 100644
--- a/tests/generated/margin_and_stretch_column.rs
+++ b/tests/generated/margin_and_stretch_column.rs
@@ -6,8 +6,8 @@ fn margin_and_stretch_column() {
             taffy::style::Style {
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left.rs b/tests/generated/margin_auto_left.rs
index 5f29cd458..0a284fdfb 100644
--- a/tests/generated/margin_auto_left.rs
+++ b/tests/generated/margin_auto_left.rs
@@ -9,7 +9,7 @@ fn margin_auto_left() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_auto_left_and_right.rs b/tests/generated/margin_auto_left_and_right.rs
index 82615ade6..2c9298a29 100644
--- a/tests/generated/margin_auto_left_and_right.rs
+++ b/tests/generated/margin_auto_left_and_right.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_and_right() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_and_right_column.rs b/tests/generated/margin_auto_left_and_right_column.rs
index 55ea91221..79150e3ab 100644
--- a/tests/generated/margin_auto_left_and_right_column.rs
+++ b/tests/generated/margin_auto_left_and_right_column.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_and_right_column() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_and_right_column_and_center.rs b/tests/generated/margin_auto_left_and_right_column_and_center.rs
index 3ae3efe05..bb896a689 100644
--- a/tests/generated/margin_auto_left_and_right_column_and_center.rs
+++ b/tests/generated/margin_auto_left_and_right_column_and_center.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_and_right_column_and_center() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_and_right_strech.rs b/tests/generated/margin_auto_left_and_right_strech.rs
index 926df3b9e..023d03c5f 100644
--- a/tests/generated/margin_auto_left_and_right_strech.rs
+++ b/tests/generated/margin_auto_left_and_right_strech.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_and_right_strech() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_child_bigger_than_parent.rs b/tests/generated/margin_auto_left_child_bigger_than_parent.rs
index a8455180c..9294be1ee 100644
--- a/tests/generated/margin_auto_left_child_bigger_than_parent.rs
+++ b/tests/generated/margin_auto_left_child_bigger_than_parent.rs
@@ -9,7 +9,7 @@ fn margin_auto_left_child_bigger_than_parent() {
                     height: taffy::style::Dimension::Points(72f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs b/tests/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
index f3f4c4113..e203c2cf8 100644
--- a/tests/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
+++ b/tests/generated/margin_auto_left_fix_right_child_bigger_than_parent.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_fix_right_child_bigger_than_parent() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_right_child_bigger_than_parent.rs b/tests/generated/margin_auto_left_right_child_bigger_than_parent.rs
index 924091246..50f11daf4 100644
--- a/tests/generated/margin_auto_left_right_child_bigger_than_parent.rs
+++ b/tests/generated/margin_auto_left_right_child_bigger_than_parent.rs
@@ -10,8 +10,8 @@ fn margin_auto_left_right_child_bigger_than_parent() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Auto,
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Auto,
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_auto_left_stretching_child.rs b/tests/generated/margin_auto_left_stretching_child.rs
index 3b0b789ee..f3afc7938 100644
--- a/tests/generated/margin_auto_left_stretching_child.rs
+++ b/tests/generated/margin_auto_left_stretching_child.rs
@@ -7,7 +7,7 @@ fn margin_auto_left_stretching_child() {
                 flex_grow: 1f32,
                 flex_shrink: 1f32,
                 flex_basis: taffy::style::Dimension::Percent(0f32),
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_auto_mutiple_children_row.rs b/tests/generated/margin_auto_mutiple_children_row.rs
index d349c3c28..642f51e27 100644
--- a/tests/generated/margin_auto_mutiple_children_row.rs
+++ b/tests/generated/margin_auto_mutiple_children_row.rs
@@ -9,7 +9,7 @@ fn margin_auto_mutiple_children_row() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
@@ -23,7 +23,7 @@ fn margin_auto_mutiple_children_row() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_auto_right.rs b/tests/generated/margin_auto_right.rs
index 12d94a351..6e4036632 100644
--- a/tests/generated/margin_auto_right.rs
+++ b/tests/generated/margin_auto_right.rs
@@ -9,7 +9,7 @@ fn margin_auto_right() {
                     height: taffy::style::Dimension::Points(50f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Auto, ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Auto, ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs b/tests/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
index 170fa2097..649b6c151 100644
--- a/tests/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
+++ b/tests/generated/margin_fix_left_auto_right_child_bigger_than_parent.rs
@@ -10,8 +10,8 @@ fn margin_fix_left_auto_right_child_bigger_than_parent() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Auto,
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Auto,
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/margin_left.rs b/tests/generated/margin_left.rs
index d0dda9559..42c2d910f 100644
--- a/tests/generated/margin_left.rs
+++ b/tests/generated/margin_left.rs
@@ -5,7 +5,7 @@ fn margin_left() {
         .new_with_children(
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), ..Default::default() },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_right.rs b/tests/generated/margin_right.rs
index cf513dae2..f76329196 100644
--- a/tests/generated/margin_right.rs
+++ b/tests/generated/margin_right.rs
@@ -5,7 +5,7 @@ fn margin_right() {
         .new_with_children(
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), ..Default::default() },
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_should_not_be_part_of_max_width.rs b/tests/generated/margin_should_not_be_part_of_max_width.rs
index fdc5e740a..9771ad708 100644
--- a/tests/generated/margin_should_not_be_part_of_max_width.rs
+++ b/tests/generated/margin_should_not_be_part_of_max_width.rs
@@ -13,7 +13,7 @@ fn margin_should_not_be_part_of_max_width() {
                     width: taffy::style::Dimension::Points(100f32),
                     ..Default::default()
                 },
-                margin: taffy::geometry::Rect { start: taffy::style::Dimension::Points(20f32), ..Default::default() },
+                margin: taffy::geometry::Rect { left: taffy::style::Dimension::Points(20f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/margin_with_sibling_row.rs b/tests/generated/margin_with_sibling_row.rs
index f4b618907..d9e648dd7 100644
--- a/tests/generated/margin_with_sibling_row.rs
+++ b/tests/generated/margin_with_sibling_row.rs
@@ -5,7 +5,7 @@ fn margin_with_sibling_row() {
         .new_with_children(
             taffy::style::Style {
                 flex_grow: 1f32,
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[],
diff --git a/tests/generated/padding_align_end_child.rs b/tests/generated/padding_align_end_child.rs
index eb9a72ce6..7c55fa105 100644
--- a/tests/generated/padding_align_end_child.rs
+++ b/tests/generated/padding_align_end_child.rs
@@ -10,8 +10,8 @@ fn padding_align_end_child() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/tests/generated/padding_center_child.rs b/tests/generated/padding_center_child.rs
index 60b577d85..eeddd1405 100644
--- a/tests/generated/padding_center_child.rs
+++ b/tests/generated/padding_center_child.rs
@@ -25,8 +25,8 @@ fn padding_center_child() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/tests/generated/padding_flex_child.rs b/tests/generated/padding_flex_child.rs
index d4036dd21..c7236262b 100644
--- a/tests/generated/padding_flex_child.rs
+++ b/tests/generated/padding_flex_child.rs
@@ -20,8 +20,8 @@ fn padding_flex_child() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/padding_no_child.rs b/tests/generated/padding_no_child.rs
index 32d3bbf4a..c3e732b23 100644
--- a/tests/generated/padding_no_child.rs
+++ b/tests/generated/padding_no_child.rs
@@ -5,8 +5,8 @@ fn padding_no_child() {
         .new_with_children(
             taffy::style::Style {
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/padding_stretch_child.rs b/tests/generated/padding_stretch_child.rs
index 27eb797c4..b612b5f36 100644
--- a/tests/generated/padding_stretch_child.rs
+++ b/tests/generated/padding_stretch_child.rs
@@ -19,8 +19,8 @@ fn padding_stretch_child() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/percent_absolute_position.rs b/tests/generated/percent_absolute_position.rs
index 67b0b30b0..ddd5b0964 100644
--- a/tests/generated/percent_absolute_position.rs
+++ b/tests/generated/percent_absolute_position.rs
@@ -29,7 +29,7 @@ fn percent_absolute_position() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.5f32),
+                    left: taffy::style::Dimension::Percent(0.5f32),
                     ..Default::default()
                 },
                 ..Default::default()
diff --git a/tests/generated/percentage_absolute_position.rs b/tests/generated/percentage_absolute_position.rs
index a6f694302..b56eaa296 100644
--- a/tests/generated/percentage_absolute_position.rs
+++ b/tests/generated/percentage_absolute_position.rs
@@ -11,7 +11,7 @@ fn percentage_absolute_position() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.3f32),
+                    left: taffy::style::Dimension::Percent(0.3f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
                 },
diff --git a/tests/generated/percentage_margin_should_calculate_based_only_on_width.rs b/tests/generated/percentage_margin_should_calculate_based_only_on_width.rs
index 6dd8ac242..b6fc65ff0 100644
--- a/tests/generated/percentage_margin_should_calculate_based_only_on_width.rs
+++ b/tests/generated/percentage_margin_should_calculate_based_only_on_width.rs
@@ -20,8 +20,8 @@ fn percentage_margin_should_calculate_based_only_on_width() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 flex_grow: 1f32,
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
-                    end: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
+                    right: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
diff --git a/tests/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs b/tests/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
index e43016e93..2cd489621 100644
--- a/tests/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
+++ b/tests/generated/percentage_multiple_nested_with_padding_margin_and_percentage_values.rs
@@ -6,15 +6,15 @@ fn percentage_multiple_nested_with_padding_margin_and_percentage_values() {
             taffy::style::Style {
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.45f32), ..Default::default() },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.05f32),
-                    end: taffy::style::Dimension::Percent(0.05f32),
+                    left: taffy::style::Dimension::Percent(0.05f32),
+                    right: taffy::style::Dimension::Percent(0.05f32),
                     top: taffy::style::Dimension::Percent(0.05f32),
                     bottom: taffy::style::Dimension::Percent(0.05f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(3f32),
-                    end: taffy::style::Dimension::Points(3f32),
+                    left: taffy::style::Dimension::Points(3f32),
+                    right: taffy::style::Dimension::Points(3f32),
                     top: taffy::style::Dimension::Points(3f32),
                     bottom: taffy::style::Dimension::Points(3f32),
                     ..Default::default()
@@ -30,15 +30,15 @@ fn percentage_multiple_nested_with_padding_margin_and_percentage_values() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.5f32), ..Default::default() },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(5f32),
-                    end: taffy::style::Dimension::Points(5f32),
+                    left: taffy::style::Dimension::Points(5f32),
+                    right: taffy::style::Dimension::Points(5f32),
                     top: taffy::style::Dimension::Points(5f32),
                     bottom: taffy::style::Dimension::Points(5f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.03f32),
-                    end: taffy::style::Dimension::Percent(0.03f32),
+                    left: taffy::style::Dimension::Percent(0.03f32),
+                    right: taffy::style::Dimension::Percent(0.03f32),
                     top: taffy::style::Dimension::Percent(0.03f32),
                     bottom: taffy::style::Dimension::Percent(0.03f32),
                     ..Default::default()
@@ -59,15 +59,15 @@ fn percentage_multiple_nested_with_padding_margin_and_percentage_values() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(5f32),
-                    end: taffy::style::Dimension::Points(5f32),
+                    left: taffy::style::Dimension::Points(5f32),
+                    right: taffy::style::Dimension::Points(5f32),
                     top: taffy::style::Dimension::Points(5f32),
                     bottom: taffy::style::Dimension::Points(5f32),
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(3f32),
-                    end: taffy::style::Dimension::Points(3f32),
+                    left: taffy::style::Dimension::Points(3f32),
+                    right: taffy::style::Dimension::Points(3f32),
                     top: taffy::style::Dimension::Points(3f32),
                     bottom: taffy::style::Dimension::Points(3f32),
                     ..Default::default()
diff --git a/tests/generated/percentage_padding_should_calculate_based_only_on_width.rs b/tests/generated/percentage_padding_should_calculate_based_only_on_width.rs
index 613eb75dd..adcae0c1e 100644
--- a/tests/generated/percentage_padding_should_calculate_based_only_on_width.rs
+++ b/tests/generated/percentage_padding_should_calculate_based_only_on_width.rs
@@ -20,8 +20,8 @@ fn percentage_padding_should_calculate_based_only_on_width() {
                 flex_direction: taffy::style::FlexDirection::Column,
                 flex_grow: 1f32,
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
-                    end: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
+                    right: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.1f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
diff --git a/tests/generated/percentage_position_bottom_right.rs b/tests/generated/percentage_position_bottom_right.rs
index 2bf181f49..cb7b93133 100644
--- a/tests/generated/percentage_position_bottom_right.rs
+++ b/tests/generated/percentage_position_bottom_right.rs
@@ -10,7 +10,7 @@ fn percentage_position_bottom_right() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    end: taffy::style::Dimension::Percent(0.2f32),
+                    right: taffy::style::Dimension::Percent(0.2f32),
                     bottom: taffy::style::Dimension::Percent(0.1f32),
                     ..Default::default()
                 },
diff --git a/tests/generated/percentage_position_left_top.rs b/tests/generated/percentage_position_left_top.rs
index 9a2cdc3e1..0bb381af0 100644
--- a/tests/generated/percentage_position_left_top.rs
+++ b/tests/generated/percentage_position_left_top.rs
@@ -10,7 +10,7 @@ fn percentage_position_left_top() {
                     ..Default::default()
                 },
                 position: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Percent(0.1f32),
+                    left: taffy::style::Dimension::Percent(0.1f32),
                     top: taffy::style::Dimension::Percent(0.2f32),
                     ..Default::default()
                 },
diff --git a/tests/generated/percentage_size_based_on_parent_inner_size.rs b/tests/generated/percentage_size_based_on_parent_inner_size.rs
index 687a6902a..064236546 100644
--- a/tests/generated/percentage_size_based_on_parent_inner_size.rs
+++ b/tests/generated/percentage_size_based_on_parent_inner_size.rs
@@ -24,8 +24,8 @@ fn percentage_size_based_on_parent_inner_size() {
                     ..Default::default()
                 },
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/tests/generated/size_defined_by_child_with_border.rs b/tests/generated/size_defined_by_child_with_border.rs
index d897bcf66..35373aac8 100644
--- a/tests/generated/size_defined_by_child_with_border.rs
+++ b/tests/generated/size_defined_by_child_with_border.rs
@@ -18,8 +18,8 @@ fn size_defined_by_child_with_border() {
         .new_with_children(
             taffy::style::Style {
                 border: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/size_defined_by_child_with_padding.rs b/tests/generated/size_defined_by_child_with_padding.rs
index 99c148f03..39dede377 100644
--- a/tests/generated/size_defined_by_child_with_padding.rs
+++ b/tests/generated/size_defined_by_child_with_padding.rs
@@ -18,8 +18,8 @@ fn size_defined_by_child_with_padding() {
         .new_with_children(
             taffy::style::Style {
                 padding: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(10f32),
-                    end: taffy::style::Dimension::Points(10f32),
+                    left: taffy::style::Dimension::Points(10f32),
+                    right: taffy::style::Dimension::Points(10f32),
                     top: taffy::style::Dimension::Points(10f32),
                     bottom: taffy::style::Dimension::Points(10f32),
                     ..Default::default()
diff --git a/tests/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs b/tests/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
index 475e001a6..6360d325f 100644
--- a/tests/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
+++ b/tests/generated/wrap_nodes_with_content_sizing_overflowing_margin.rs
@@ -37,7 +37,7 @@ fn wrap_nodes_with_content_sizing_overflowing_margin() {
         .new_with_children(
             taffy::style::Style {
                 flex_direction: taffy::style::FlexDirection::Column,
-                margin: taffy::geometry::Rect { end: taffy::style::Dimension::Points(10f32), ..Default::default() },
+                margin: taffy::geometry::Rect { right: taffy::style::Dimension::Points(10f32), ..Default::default() },
                 ..Default::default()
             },
             &[node010],
diff --git a/tests/generated/wrapped_column_max_height.rs b/tests/generated/wrapped_column_max_height.rs
index 6cf2231bb..13b6da18f 100644
--- a/tests/generated/wrapped_column_max_height.rs
+++ b/tests/generated/wrapped_column_max_height.rs
@@ -27,8 +27,8 @@ fn wrapped_column_max_height() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/tests/generated/wrapped_column_max_height_flex.rs b/tests/generated/wrapped_column_max_height_flex.rs
index 815d915dd..f1772b525 100644
--- a/tests/generated/wrapped_column_max_height_flex.rs
+++ b/tests/generated/wrapped_column_max_height_flex.rs
@@ -33,8 +33,8 @@ fn wrapped_column_max_height_flex() {
                     ..Default::default()
                 },
                 margin: taffy::geometry::Rect {
-                    start: taffy::style::Dimension::Points(20f32),
-                    end: taffy::style::Dimension::Points(20f32),
+                    left: taffy::style::Dimension::Points(20f32),
+                    right: taffy::style::Dimension::Points(20f32),
                     top: taffy::style::Dimension::Points(20f32),
                     bottom: taffy::style::Dimension::Points(20f32),
                     ..Default::default()
diff --git a/tests/measure.rs b/tests/measure.rs
index 4561618ea..7f8c6e4e3 100644
--- a/tests/measure.rs
+++ b/tests/measure.rs
@@ -95,8 +95,8 @@ mod measure {
                 taffy::style::Style {
                     size: taffy::geometry::Size { width: taffy::style::Dimension::Points(50.0), ..Default::default() },
                     padding: taffy::geometry::Rect {
-                        start: taffy::style::Dimension::Points(10.0),
-                        end: taffy::style::Dimension::Points(10.0),
+                        left: taffy::style::Dimension::Points(10.0),
+                        right: taffy::style::Dimension::Points(10.0),
                         top: taffy::style::Dimension::Points(10.0),
                         bottom: taffy::style::Dimension::Points(10.0),
                     },