rust/src/test/compile-fail/copy-into-closure.rs

31 lines
1.1 KiB
Rust

// Copyright 2012 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.
fn closure2(+x: core::util::NonCopyable)
-> (core::util::NonCopyable, fn@() -> core::util::NonCopyable) {
let f = fn@(copy x) -> core::util::NonCopyable {
//~^ ERROR copying a noncopyable value
//~^^ NOTE non-copyable value cannot be copied into a @fn closure
copy x
//~^ ERROR copying a noncopyable value
};
(move x,f)
}
fn closure3(+x: core::util::NonCopyable) {
do task::spawn |copy x| {
//~^ ERROR copying a noncopyable value
//~^^ NOTE non-copyable value cannot be copied into a ~fn closure
error!("%?", x);
}
error!("%?", x);
}
fn main() {
}