diff options
Diffstat (limited to 'src/libcore/iter.rs')
| -rw-r--r-- | src/libcore/iter.rs | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs index 49865bd3c7d..ddca9d36bed 100644 --- a/src/libcore/iter.rs +++ b/src/libcore/iter.rs @@ -59,6 +59,7 @@ pub use self::MinMaxResult::*; use clone::Clone; use cmp; use cmp::Ord; +use kinds::Copy; use mem; use num::{ToPrimitive, Int}; use ops::{Add, Deref}; @@ -1166,7 +1167,8 @@ pub struct Cycle<T> { iter: T, } -#[unstable = "trait is unstable"] +impl<T:Copy> Copy for Cycle<T> {} + impl<A, T: Clone + Iterator<A>> Iterator<A> for Cycle<T> { #[inline] fn next(&mut self) -> Option<A> { @@ -1576,7 +1578,8 @@ pub struct Peekable<A, T> { peeked: Option<A>, } -#[unstable = "trait is unstable"] +impl<T:Copy,A:Copy> Copy for Peekable<A,T> {} + impl<A, T: Iterator<A>> Iterator<A> for Peekable<A, T> { #[inline] fn next(&mut self) -> Option<A> { @@ -2115,6 +2118,8 @@ pub struct Counter<A> { step: A, } +impl<A:Copy> Copy for Counter<A> {} + /// Creates a new counter with the specified start/step #[inline] #[unstable = "may be renamed"] @@ -2146,6 +2151,8 @@ pub struct Range<A> { one: A, } +impl<A:Copy> Copy for Range<A> {} + /// Returns an iterator over the given range [start, stop) (that is, starting /// at start (inclusive), and ending at stop (exclusive)). /// |