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$ cargo run
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Compiling shared-state v0.1.0 (file:///projects/shared-state)
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error[E0382]: borrow of moved value: `counter`
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--> src/main.rs:21:29
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5 | let counter = Mutex::new(0);
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| ------- move occurs because `counter` has type `Mutex<i32>`, which does not implement the `Copy` trait
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...
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9 | let handle = thread::spawn(move || {
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| ------- value moved into closure here, in previous iteration of loop
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...
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21 | println!("Result: {}", *counter.lock().unwrap());
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| ^^^^^^^ value borrowed here after move
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For more information about this error, try `rustc --explain E0382`.
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error: could not compile `shared-state` (bin "shared-state") due to 1 previous error
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