diff options
| author | joboet <jonasboettiger@icloud.com> | 2025-08-31 13:52:06 +0200 |
|---|---|---|
| committer | joboet <jonasboettiger@icloud.com> | 2025-08-31 13:52:06 +0200 |
| commit | a44b180178b5d7787291df29f18d2495c0cad35b (patch) | |
| tree | 86972a736f1cb2e961777fd66fc8bea89a6651b5 | |
| parent | 64a99db105f45ea3304732ffb51066c3b5193bc7 (diff) | |
| download | rust-a44b180178b5d7787291df29f18d2495c0cad35b.tar.gz rust-a44b180178b5d7787291df29f18d2495c0cad35b.zip | |
add `#[must_use]` to `array::repeat`
| -rw-r--r-- | library/core/src/array/mod.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index c4bb5ab7b21..452ec95266f 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -48,6 +48,7 @@ pub use iter::IntoIter; /// assert_eq!(strings, ["Hello there!", "Hello there!"]); /// ``` #[inline] +#[must_use = "cloning is often expensive and is not expected to have side effects"] #[stable(feature = "array_repeat", since = "CURRENT_RUSTC_VERSION")] pub fn repeat<T: Clone, const N: usize>(val: T) -> [T; N] { from_trusted_iterator(repeat_n(val, N)) |