diff options
| -rw-r--r-- | library/core/src/lib.rs | 2 | ||||
| -rw-r--r-- | library/core/src/slice/mod.rs | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 3a03edfb646..4a4c33e36d3 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -137,7 +137,6 @@ #![feature(const_size_of_val)] #![feature(const_slice_from_raw_parts_mut)] #![feature(const_slice_ptr_len)] -#![feature(const_slice_split_at_not_mut)] #![feature(const_str_from_utf8_unchecked_mut)] #![feature(const_swap)] #![feature(const_trait_impl)] @@ -150,6 +149,7 @@ #![feature(maybe_uninit_uninit_array)] #![feature(ptr_metadata)] #![feature(slice_ptr_get)] +#![feature(slice_split_at_unchecked)] #![feature(str_internals)] #![feature(utf16_extra)] #![feature(utf16_extra_const)] diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 2336ad9cae3..5bbbd7cf512 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -1624,10 +1624,14 @@ impl<T> [T] { /// } /// ``` #[unstable(feature = "slice_split_at_unchecked", reason = "new API", issue = "76014")] - #[rustc_const_unstable(feature = "const_slice_split_at_not_mut", issue = "none")] + #[rustc_const_unstable(feature = "slice_split_at_unchecked", issue = "76014")] #[inline] #[must_use] pub const unsafe fn split_at_unchecked(&self, mid: usize) -> (&[T], &[T]) { + // HACK: the const function `from_raw_parts` is used to make this + // function const; previously the implementation used + // `(self.get_unchecked(..mid), self.get_unchecked(mid..))` + let len = self.len(); let ptr = self.as_ptr(); |