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Remove ExactSizeIterator from 64-bit ranges. #22299

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Feb 16, 2015
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Remove ExactSizeIterator from 64-bit ranges. #22299

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4 changes: 2 additions & 2 deletions src/libcore/iter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2676,9 +2676,9 @@ impl<A: Int> Iterator for ::ops::Range<A> {
}
}

// Ranges of u64 and i64 are excluded because they cannot guarantee having
// a length <= usize::MAX, which is required by ExactSizeIterator.
range_exact_iter_impl!(usize u8 u16 u32 isize i8 i16 i32);
#[cfg(target_pointer_width = "64")]
range_exact_iter_impl!(u64 i64);

#[stable(feature = "rust1", since = "1.0.0")]
impl<A: Int> DoubleEndedIterator for ::ops::Range<A> {
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