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| author | Philipp Krones <hello@philkrones.com> | 2022-11-21 20:34:47 +0100 |
|---|---|---|
| committer | Philipp Krones <hello@philkrones.com> | 2022-11-21 20:51:52 +0100 |
| commit | 46c5a5d234f13dcf4bb4cf4241b2addedbf0be14 (patch) | |
| tree | 56726625e55224ecb09ed11f509a964507b9c333 /src/docs/mutex_integer.txt | |
| parent | 3597ed5a099488aa77caf444106a0550b7e5d2e8 (diff) | |
| download | rust-46c5a5d234f13dcf4bb4cf4241b2addedbf0be14.tar.gz rust-46c5a5d234f13dcf4bb4cf4241b2addedbf0be14.zip | |
Merge commit 'f4850f7292efa33759b4f7f9b7621268979e9914' into clippyup
Diffstat (limited to 'src/docs/mutex_integer.txt')
| -rw-r--r-- | src/docs/mutex_integer.txt | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/docs/mutex_integer.txt b/src/docs/mutex_integer.txt deleted file mode 100644 index f9dbdfb904c..00000000000 --- a/src/docs/mutex_integer.txt +++ /dev/null @@ -1,22 +0,0 @@ -### What it does -Checks for usages of `Mutex<X>` where `X` is an integral -type. - -### Why is this bad? -Using a mutex just to make access to a plain integer -sequential is -shooting flies with cannons. `std::sync::atomic::AtomicUsize` is leaner and faster. - -### Known problems -This lint cannot detect if the mutex is actually used -for waiting before a critical section. - -### Example -``` -let x = Mutex::new(0usize); -``` - -Use instead: -``` -let x = AtomicUsize::new(0usize); -``` \ No newline at end of file |
