31 lines
869 B
Rust
31 lines
869 B
Rust
// Copyright 2012 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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use std::cell::Cell;
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use std::task;
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pub fn main() { test05(); }
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fn test05_start(f: ~fn(int)) {
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f(22);
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}
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fn test05() {
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let three = ~3;
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let fn_to_send: ~fn(int) = |n| {
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error!("{}", *three + n); // will copy x into the closure
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assert_eq!(*three, 3);
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};
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let fn_to_send = Cell::new(fn_to_send);
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task::spawn(|| {
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test05_start(fn_to_send.take());
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});
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}
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