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Diffstat (limited to 'src/test/ui/traits/multidispatch1.rs')
-rw-r--r-- | src/test/ui/traits/multidispatch1.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/traits/multidispatch1.rs b/src/test/ui/traits/multidispatch1.rs new file mode 100644 index 000000000..f2469e149 --- /dev/null +++ b/src/test/ui/traits/multidispatch1.rs @@ -0,0 +1,33 @@ +// run-pass + +use std::fmt::Debug; + +trait MyTrait<T> { + fn get(&self) -> T; +} + +#[derive(Copy, Clone)] +struct MyType { + dummy: usize +} + +impl MyTrait<usize> for MyType { + fn get(&self) -> usize { self.dummy } +} + +impl MyTrait<u8> for MyType { + fn get(&self) -> u8 { self.dummy as u8 } +} + +fn test_eq<T,M>(m: M, v: T) +where T : Eq + Debug, + M : MyTrait<T> +{ + assert_eq!(m.get(), v); +} + +pub fn main() { + let value = MyType { dummy: 256 + 22 }; + test_eq::<usize, _>(value, value.dummy); + test_eq::<u8, _>(value, value.dummy as u8); +} |