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Diffstat (limited to 'library/std/src/lazy.rs')
| -rw-r--r-- | library/std/src/lazy.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/std/src/lazy.rs b/library/std/src/lazy.rs index 5afdb799f0c..d7450962359 100644 --- a/library/std/src/lazy.rs +++ b/library/std/src/lazy.rs @@ -171,6 +171,7 @@ impl<T: Eq> Eq for SyncOnceCell<T> {} impl<T> SyncOnceCell<T> { /// Creates a new empty cell. #[unstable(feature = "once_cell", issue = "74465")] + #[must_use] pub const fn new() -> SyncOnceCell<T> { SyncOnceCell { once: Once::new(), |