47 lines
1.2 KiB
Rust
47 lines
1.2 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 lock = {
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let x = 1;
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Mutex::new(&x) //~ ERROR does not live long enough
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};
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let _dangling = *lock.lock().unwrap();
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}
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fn rwlock() {
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let lock = {
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let x = 1;
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RwLock::new(&x) //~ ERROR does not live long enough
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};
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let _dangling = *lock.read().unwrap();
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}
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fn channel() {
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let (_tx, rx) = {
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let x = 1;
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let (tx, rx) = mpsc::channel();
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let _ = tx.send(&x); //~ ERROR does not live long enough
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(tx, rx)
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};
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let _dangling = rx.recv();
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}
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fn main() {}
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