tawasuyu/taffy

1#![cfg_attr(not(feature = "std"), no_std)]
2
3#[cfg(all(not(feature = "std"), feature = "alloc"))]
4extern crate alloc;
5
6#[macro_use]
7extern crate lazy_static;
8
9#[cfg_attr(feature = "serde", macro_use)]
10#[cfg(feature = "serde")]
11extern crate serde;
12
13pub mod geometry;
14pub mod node;
15pub mod number;
16pub mod result;
17pub mod style;
18
19mod algo;
20mod forest;
21mod id;
22
23mod sys;
24
25pub use crate::node::Stretch;
26
27#[derive(Debug)]
28pub enum Error {
29    InvalidNode(node::Node),
30}
31
32#[cfg(feature = "std")]
33impl std::fmt::Display for Error {
34    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
35        match *self {
36            Error::InvalidNode(ref node) => write!(f, "Invalid node {:?}", node),
37        }
38    }
39}
40
41#[cfg(feature = "std")]
42impl std::error::Error for Error {
43    fn description(&self) -> &str {
44        match *self {
45            Error::InvalidNode(_) => "The node is not part of the stretch instance",
46        }
47    }
48}