40 lines
587 B
Rust
40 lines
587 B
Rust
// run-pass
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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, Clone)]
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struct MyType {
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dummy: usize
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}
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impl MyTrait<usize> for MyType {
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fn get(&self) -> usize { 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(22_usize, 0_usize);
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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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