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Remove OptionalSettable.

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It was obsoleted by MutNullableJS.
This commit is contained in:
Ms2ger 2015-01-19 22:56:45 +01:00
parent ee94b3e8bf
commit 8a08fff0b4
5 changed files with 4 additions and 17 deletions
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13
components/script/dom/bindings/js.rs
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@ -42,7 +42,6 @@
//! - `OptionalRootable` and `OptionalRootedRootable`: make rooting `Option` values easy via a `root` method
//! - `ResultRootable`: make rooting successful `Result` values easy
//! - `TemporaryPushable`: allows mutating vectors of `JS<T>` with new elements of `JSRef`/`Temporary`
//! - `OptionalSettable`: allows assigning `Option` values of `JSRef`/`Temporary` to fields of `Option<JS<T>>`
//! - `RootedReference`: makes obtaining an `Option<JSRef<T>>` from an `Option<Root<T>>` easy
use dom::bindings::trace::JSTraceable;
@ -367,18 +366,6 @@ impl<T: Reflectable> Assignable<T> for Temporary<T> {
}
}
/// Assign an optional rootable value (either of `JS<T>` or `Temporary<T>`) to an optional
/// field of a DOM type (ie. `Option<JS<T>>`)
pub trait OptionalSettable<T> {
fn assign(&self, val: Option<T>);
}
impl<T: Assignable<U>, U: Reflectable> OptionalSettable<T> for Cell<Option<JS<U>>> {
fn assign(&self, val: Option<T>) {
self.set(val.map(|val| unsafe { val.get_js() }));
}
}
/// Root a rootable `Option` type (used for `Option<Temporary<T>>`)
pub trait OptionalRootable<T> {