30862a64c2
This is required by the check-fast target because each test is slurped up into a submodule.
41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
// 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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pub trait Clone2 {
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/// Returns a copy of the value. The contents of owned pointers
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/// are copied to maintain uniqueness, while the contents of
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/// managed pointers are not copied.
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fn clone(&self) -> Self;
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}
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trait Getter<T: Clone> {
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fn do_get(&self) -> T;
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fn do_get2(&self) -> (T, T) {
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let x = self.do_get();
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(x.clone(), x.clone())
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}
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}
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impl Getter<int> for int {
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fn do_get(&self) -> int { *self }
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}
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impl<T: Clone> Getter<T> for Option<T> {
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fn do_get(&self) -> T { self.get_ref().clone() }
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}
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pub fn main() {
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assert_eq!(3.do_get2(), (3, 3));
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assert_eq!(Some(~"hi").do_get2(), (~"hi", ~"hi"));
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}
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