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Document #[animation(no_bound(…))] and #[distance(field_bound)]

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Anthony Ramine 2018-03-12 09:51:15 +01:00
parent dcae5860a8
commit a6aac0ed5f
2 changed files with 10 additions and 0 deletions
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4
components/style/values/distance.rs
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@ -21,6 +21,10 @@ use std::ops::Add;
///
/// If the two values are not similar, an error is returned unless a fallback
/// function has been specified through `#[distance(fallback)]`.
///
/// Trait bounds for type parameter `Foo` can be opted out of with
/// `#[animation(no_bound(Foo))]` on the type definition, trait bounds for
/// fields can be opted into with `#[distance(field_bound)]` on the field.
pub trait ComputeSquaredDistance {
/// Computes the squared distance between two animatable values.
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()>;