diff options
| -rw-r--r-- | src/libcore/iter/mod.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libcore/iter/mod.rs b/src/libcore/iter/mod.rs index c07a15ebc06..3ca37c40903 100644 --- a/src/libcore/iter/mod.rs +++ b/src/libcore/iter/mod.rs @@ -785,6 +785,17 @@ impl<A, B> ZipImpl<A, B> for Zip<A, B> impl<A, B> ExactSizeIterator for Zip<A, B> where A: ExactSizeIterator, B: ExactSizeIterator {} +#[doc(hidden)] +unsafe impl<A, B> TrustedRandomAccess for Zip<A, B> + where A: TrustedRandomAccess, + B: TrustedRandomAccess, +{ + unsafe fn get_unchecked(&mut self, i: usize) -> (A::Item, B::Item) { + (self.a.get_unchecked(i), self.b.get_unchecked(i)) + } + +} + /// An iterator that maps the values of `iter` with `f`. /// /// This `struct` is created by the [`map()`] method on [`Iterator`]. See its |