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| author | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-11-30 16:56:49 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-11-30 16:56:49 +0100 |
| commit | 9ae7fb3e712e6aa166a543fbf69ecb3df0b90052 (patch) | |
| tree | 706c6bcddad2cb2057856871bfef5b77ef16a872 /src/liballoc/vec.rs | |
| parent | 123406cac7168fa2e169b404b852d1d265f34c99 (diff) | |
| parent | f8a4b6d2ba2ad2a0897cd26cf6196cca23045f96 (diff) | |
| download | rust-9ae7fb3e712e6aa166a543fbf69ecb3df0b90052.tar.gz rust-9ae7fb3e712e6aa166a543fbf69ecb3df0b90052.zip | |
Rollup merge of #66759 - CAD97:patch-3, r=KodrAus
impl TrustedLen for vec::Drain The iterator methods just forward to `slice::Iter`, which is `TrustedLen`. This can probably be applied to other `Drain` structs as well.
Diffstat (limited to 'src/liballoc/vec.rs')
| -rw-r--r-- | src/liballoc/vec.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs index 8892e186d0a..1a700b99056 100644 --- a/src/liballoc/vec.rs +++ b/src/liballoc/vec.rs @@ -2703,6 +2703,9 @@ impl<T> ExactSizeIterator for Drain<'_, T> { } } +#[unstable(feature = "trusted_len", issue = "37572")] +unsafe impl<T> TrustedLen for Drain<'_, T> {} + #[stable(feature = "fused", since = "1.26.0")] impl<T> FusedIterator for Drain<'_, T> {} |