57 lines
1.4 KiB
Rust
57 lines
1.4 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// basic tests to see that certain "obvious" errors are caught by
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// these types no longer requiring `'static` (RFC 458)
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#![allow(dead_code)]
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use std::sync::{Mutex, RwLock, mpsc};
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fn mutex() {
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let x = 1;
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let y = Box::new(1);
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let lock = Mutex::new(&x);
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*lock.lock().unwrap() = &*y;
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drop(y); //~ ERROR cannot move out
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{
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let z = 2;
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*lock.lock().unwrap() = &z; //~ ERROR does not live long enough
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}
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}
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fn rwlock() {
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let x = 1;
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let y = Box::new(1);
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let lock = RwLock::new(&x);
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*lock.write().unwrap() = &*y;
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drop(y); //~ ERROR cannot move out
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{
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let z = 2;
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*lock.write().unwrap() = &z; //~ ERROR does not live long enough
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}
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}
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fn channel() {
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let x = 1;
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let y = Box::new(1);
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let (tx, rx) = mpsc::channel();
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tx.send(&x).unwrap();
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tx.send(&*y);
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drop(y); //~ ERROR cannot move out
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{
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let z = 2;
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tx.send(&z).unwrap(); //~ ERROR does not live long enough
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}
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}
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fn main() {}
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