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Diffstat (limited to 'src/libextra/ringbuf.rs')
| -rw-r--r-- | src/libextra/ringbuf.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libextra/ringbuf.rs b/src/libextra/ringbuf.rs index 4f2755374af..9ae9b47e207 100644 --- a/src/libextra/ringbuf.rs +++ b/src/libextra/ringbuf.rs @@ -243,6 +243,8 @@ pub struct RingBufIterator<'self, T> { iterator!{impl RingBufIterator -> &'self T, get_ref} iterator_rev!{impl RingBufIterator -> &'self T, get_ref} +impl<'self, T> ExactSize<&'self T> for RingBufIterator<'self, T> {} + impl<'self, T> RandomAccessIterator<&'self T> for RingBufIterator<'self, T> { #[inline] fn indexable(&self) -> uint { self.rindex - self.index } @@ -268,6 +270,8 @@ pub struct RingBufMutIterator<'self, T> { iterator!{impl RingBufMutIterator -> &'self mut T, get_mut_ref} iterator_rev!{impl RingBufMutIterator -> &'self mut T, get_mut_ref} +impl<'self, T> ExactSize<&'self mut T> for RingBufMutIterator<'self, T> {} + /// Grow is only called on full elts, so nelts is also len(elts), unlike /// elsewhere. fn grow<T>(nelts: uint, loptr: &mut uint, elts: &mut ~[Option<T>]) { |