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Diffstat (limited to 'library/core/src/slice/mod.rs')
| -rw-r--r-- | library/core/src/slice/mod.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 14042997bc2..1dddc48e68e 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -3974,8 +3974,9 @@ impl<T> [T] { /// /// [`split_at_mut`]: slice::split_at_mut #[stable(feature = "swap_with_slice", since = "1.27.0")] + #[rustc_const_unstable(feature = "const_swap_with_slice", issue = "142204")] #[track_caller] - pub fn swap_with_slice(&mut self, other: &mut [T]) { + pub const fn swap_with_slice(&mut self, other: &mut [T]) { assert!(self.len() == other.len(), "destination and source slices have different lengths"); // SAFETY: `self` is valid for `self.len()` elements by definition, and `src` was // checked to have the same length. The slices cannot overlap because |