13 lines
329 B
Rust
13 lines
329 B
Rust
#![warn(clippy::arc_with_non_send_sync)]
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#![allow(unused_variables)]
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use std::cell::RefCell;
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use std::sync::{Arc, Mutex};
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fn main() {
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// This is safe, as `i32` implements `Send` and `Sync`.
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let a = Arc::new(42);
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// This is not safe, as `RefCell` does not implement `Sync`.
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let b = Arc::new(RefCell::new(42));
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}
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