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Constify slice flatten method

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This commit is contained in:
Konrad Borowski 2023-05-03 12:33:15 +02:00
parent 4b87ed9d0f
commit 4fec8a35b6
1 changed files with 1 additions and 1 deletions
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library/core/src/slice/mod.rs
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@ -4257,7 +4257,7 @@ impl<T, const N: usize> [[T; N]] {
/// assert!(empty_slice_of_arrays.flatten().is_empty()); /// assert!(empty_slice_of_arrays.flatten().is_empty());
/// ``` /// ```
#[unstable(feature = "slice_flatten", issue = "95629")] #[unstable(feature = "slice_flatten", issue = "95629")]
pub fn flatten(&self) -> &[T] { pub const fn flatten(&self) -> &[T] {
let len = if T::IS_ZST { let len = if T::IS_ZST {
self.len().checked_mul(N).expect("slice len overflow") self.len().checked_mul(N).expect("slice len overflow")
} else { } else {