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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/mut_mutex_lock.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/mut_mutex_lock.rs b/src/tools/clippy/tests/ui/mut_mutex_lock.rs new file mode 100644 index 000000000..ea60df5ae --- /dev/null +++ b/src/tools/clippy/tests/ui/mut_mutex_lock.rs @@ -0,0 +1,21 @@ +// run-rustfix +#![allow(dead_code, unused_mut)] +#![warn(clippy::mut_mutex_lock)] + +use std::sync::{Arc, Mutex}; + +fn mut_mutex_lock() { + let mut value_rc = Arc::new(Mutex::new(42_u8)); + let value_mutex = Arc::get_mut(&mut value_rc).unwrap(); + + let mut value = value_mutex.lock().unwrap(); + *value += 1; +} + +fn no_owned_mutex_lock() { + let mut value_rc = Arc::new(Mutex::new(42_u8)); + let mut value = value_rc.lock().unwrap(); + *value += 1; +} + +fn main() {} |