Constify slice flatten method

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