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Implemented BorrowFrom<Rc<T>> for T.

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This commit is contained in:
Aaron Weiss
2014-12-08 15:56:10 -05:00
parent 2e996ffb46
commit ad7dacd9eb
1 changed files with 7 additions and 0 deletions
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7
src/liballoc/rc.rs
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@@ -141,6 +141,7 @@
#![stable] #![stable]
use core::borrow::BorrowFrom;
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};
@@ -349,6 +350,12 @@ impl<T: Clone> Rc<T> {
} }
} }
impl<T> BorrowFrom<Rc<T>> for T {
fn borrow_from(owned: &Rc<T>) -> &T {
&**owned
}
}
#[experimental = "Deref is experimental."] #[experimental = "Deref is experimental."]
impl<T> Deref<T> for Rc<T> { impl<T> Deref<T> for Rc<T> {
#[inline(always)] #[inline(always)]