Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-03 04:30:10 +01:00
Code Issues Projects Releases Packages Wiki Activity

Implement RootedReference<T> for Option<JS<T>>

Browse source 
An implementation of RootedReference for Option<JS<T>> based off of
other implementations of RootedReference for Option wrapped types.
This commit is contained in:
Daniel Robertson 2016-02-16 19:38:11 +00:00
parent f0d4c03bd9
commit 7a35ef1555
3 changed files with 10 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

7
components/script/dom/bindings/js.rs
View file

@ -444,6 +444,13 @@ impl<T: Reflectable> RootedReference<T> for Option<Root<T>> {
}
}
/// Get an `Option<&T> out of an `Option<JS<T>>`
impl<T: Reflectable> RootedReference<T> for Option<JS<T>> {
fn r(&self) -> Option<&T> {
self.as_ref().map(|inner| &**inner)
}
}
/// Get an `Option<Option<&T>>` out of an `Option<Option<Root<T>>>`
pub trait OptionalRootedReference<T> {
/// Obtain a safe optional optional reference to the wrapped JS owned-value