rust/src/test/ui/not-copy-closure.rs

22 lines
713 B
Rust

// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Check that closures do not implement `Copy` if their environment is not `Copy`.
fn main() {
let mut a = 5;
let hello = || {
a += 1;
};
let b = hello;
let c = hello; //~ ERROR use of moved value: `hello` [E0382]
}