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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/let_underscore_lock.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/let_underscore_lock.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/let_underscore_lock.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/let_underscore_lock.rs b/src/tools/clippy/tests/ui/let_underscore_lock.rs new file mode 100644 index 000000000..7a7c4e924 --- /dev/null +++ b/src/tools/clippy/tests/ui/let_underscore_lock.rs @@ -0,0 +1,36 @@ +#![warn(clippy::let_underscore_lock)] + +extern crate parking_lot; + +fn main() { + let m = std::sync::Mutex::new(()); + let rw = std::sync::RwLock::new(()); + + let _ = m.lock(); + let _ = rw.read(); + let _ = rw.write(); + let _ = m.try_lock(); + let _ = rw.try_read(); + let _ = rw.try_write(); + + // These shouldn't throw an error. + let _ = m; + let _ = rw; + + use parking_lot::{lock_api::RawMutex, Mutex, RwLock}; + + let p_m: Mutex<()> = Mutex::const_new(RawMutex::INIT, ()); + let _ = p_m.lock(); + + let p_m1 = Mutex::new(0); + let _ = p_m1.lock(); + + let p_rw = RwLock::new(0); + let _ = p_rw.read(); + let _ = p_rw.write(); + + // These shouldn't throw an error. + let _ = p_m; + let _ = p_m1; + let _ = p_rw; +} |