20 lines
665 B
Rust
20 lines
665 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::task;
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fn adder(x: @int, y: @int) -> int { return *x + *y; }
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fn failer() -> @int { fail!(); }
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pub fn main() {
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assert!(task::try(|| {
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adder(@2, failer()); ()
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}).is_err());
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}
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