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Added AsRef implementations for Arc and Rc

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This commit is contained in:
Markus Westerlind 2015-06-04 14:35:04 +02:00
parent 80d08a37b6
commit 7f3ae0aa26
2 changed files with 19 additions and 0 deletions
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9
src/liballoc/arc.rs
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@ -332,6 +332,15 @@ impl<T: ?Sized> Deref for Arc<T> {
} }
} }
#[stable(feature = "rc_arc_as_ref", since = "1.2.0")]
impl<T: ?Sized> AsRef<T> for Arc<T> {
#[inline]
fn as_ref(&self) -> &T {
&self.inner().data
}
}
impl<T: Clone> Arc<T> { impl<T: Clone> Arc<T> {
/// Make a mutable reference from the given `Arc<T>`. /// Make a mutable reference from the given `Arc<T>`.
/// ///

10
src/liballoc/rc.rs
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@ -156,6 +156,7 @@ use std::boxed;
use core::cell::Cell; use core::cell::Cell;
use core::clone::Clone; use core::clone::Clone;
use core::cmp::{PartialEq, PartialOrd, Eq, Ord, Ordering}; use core::cmp::{PartialEq, PartialOrd, Eq, Ord, Ordering};
use core::convert::AsRef;
use core::default::Default; use core::default::Default;
use core::fmt; use core::fmt;
use core::hash::{Hasher, Hash}; use core::hash::{Hasher, Hash};
@ -379,6 +380,15 @@ impl<T: ?Sized> Deref for Rc<T> {
} }
} }
#[stable(feature = "rc_arc_as_ref", since = "1.2.0")]
impl<T: ?Sized> AsRef<T> for Rc<T> {
#[inline(always)]
fn as_ref(&self) -> &T {
&self.inner().value
}
}
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized> Drop for Rc<T> { impl<T: ?Sized> Drop for Rc<T> {
/// Drops the `Rc<T>`. /// Drops the `Rc<T>`.