30 lines
810 B
Rust
30 lines
810 B
Rust
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// Copyright 2013 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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// Testing guarantees provided by once functions.
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// This program would segfault if it were legal.
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extern mod extra;
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use extra::arc;
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use std::util;
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fn foo(blk: ~once fn()) {
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blk();
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blk(); //~ ERROR use of moved value
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}
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fn main() {
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let x = arc::ARC(true);
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do foo {
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assert!(*x.get());
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util::ignore(x);
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}
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}
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