48 lines
1021 B
Rust
48 lines
1021 B
Rust
// 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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use std::fmt::Debug;
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use std::default::Default;
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trait MyTrait<T> {
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fn get(&self) -> T;
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}
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impl<T> MyTrait<T> for T
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where T : Default
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{
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fn get(&self) -> T {
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Default::default()
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}
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}
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#[derive(Copy)]
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struct MyType {
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dummy: uint
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}
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impl MyTrait<uint> for MyType {
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fn get(&self) -> uint { self.dummy }
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}
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fn test_eq<T,M>(m: M, v: T)
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where T : Eq + Debug,
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M : MyTrait<T>
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{
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assert_eq!(m.get(), v);
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}
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pub fn main() {
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test_eq(22u, 0u);
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let value = MyType { dummy: 256 + 22 };
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test_eq(value, value.dummy);
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}
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