52 lines
1.1 KiB
Rust
52 lines
1.1 KiB
Rust
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// Copyright 2014 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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// Common code used for tests that model the Fn/FnMut/FnOnce hierarchy.
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pub trait Go {
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fn go(&self, arg: int);
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}
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pub fn go<G:Go>(this: &G, arg: int) {
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this.go(arg)
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}
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pub trait GoMut {
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fn go_mut(&mut self, arg: int);
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}
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pub fn go_mut<G:GoMut>(this: &mut G, arg: int) {
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this.go_mut(arg)
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}
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pub trait GoOnce {
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fn go_once(self, arg: int);
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}
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pub fn go_once<G:GoOnce>(this: G, arg: int) {
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this.go_once(arg)
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}
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impl<G> GoMut for G
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where G : Go
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{
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fn go_mut(&mut self, arg: int) {
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go(&*self, arg)
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}
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}
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impl<G> GoOnce for G
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where G : GoMut
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{
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fn go_once(mut self, arg: int) {
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go_mut(&mut self, arg)
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}
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}
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