29 lines
840 B
Rust
29 lines
840 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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/*!
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* Routines are like closures except that they own their arguments and can
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* only run once.
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*/
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/// A routine that takes no arguments and returns nothing.
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pub trait Runnable {
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/// The entry point for the routine.
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fn run(~self);
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}
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/// A convenience routine that does nothing.
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pub struct NoOpRunnable;
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impl Runnable for NoOpRunnable {
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fn run(~self) {}
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}
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