diff options
Diffstat (limited to 'src/libstd/sys_common')
| -rw-r--r-- | src/libstd/sys_common/remutex.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/sys_common/remutex.rs b/src/libstd/sys_common/remutex.rs index ce43ec6d9ab..022056f8a8a 100644 --- a/src/libstd/sys_common/remutex.rs +++ b/src/libstd/sys_common/remutex.rs @@ -41,7 +41,7 @@ unsafe impl<T: Send> Sync for ReentrantMutex<T> {} /// because implementation of the trait would violate Rust’s reference aliasing /// rules. Use interior mutability (usually `RefCell`) in order to mutate the /// guarded data. -#[must_use] +#[must_use = "if unused the ReentrantMutex will immediately unlock"] pub struct ReentrantMutexGuard<'a, T: 'a> { // funny underscores due to how Deref currently works (it disregards field // privacy). |