mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-14 00:47:16 +00:00
28 lines
668 B
Rust
28 lines
668 B
Rust
// run-rustfix
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#![allow(dead_code, unused_mut)]
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#![warn(clippy::mut_mutex_lock)]
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use std::sync::{Arc, Mutex};
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fn mut_mutex_lock() {
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let mut value_rc = Arc::new(Mutex::new(42_u8));
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let value_mutex = Arc::get_mut(&mut value_rc).unwrap();
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let mut value = value_mutex.lock().unwrap();
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*value += 1;
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}
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fn no_owned_mutex_lock() {
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let mut value_rc = Arc::new(Mutex::new(42_u8));
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let mut value = value_rc.lock().unwrap();
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*value += 1;
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}
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fn issue9415() {
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let mut arc_mutex = Arc::new(Mutex::new(42_u8));
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let arc_mutex: &mut Arc<Mutex<u8>> = &mut arc_mutex;
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let mut guard = arc_mutex.lock().unwrap();
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*guard += 1;
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}
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fn main() {}
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