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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/multidispatch2.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/traits/multidispatch2.rs b/src/test/ui/traits/multidispatch2.rs new file mode 100644 index 000000000..20608aabb --- /dev/null +++ b/src/test/ui/traits/multidispatch2.rs @@ -0,0 +1,39 @@ +// run-pass + +use std::fmt::Debug; +use std::default::Default; + +trait MyTrait<T> { + fn get(&self) -> T; +} + +impl<T> MyTrait<T> for T + where T : Default +{ + fn get(&self) -> T { + Default::default() + } +} + +#[derive(Copy, Clone)] +struct MyType { + dummy: usize +} + +impl MyTrait<usize> for MyType { + fn get(&self) -> usize { self.dummy } +} + +fn test_eq<T,M>(m: M, v: T) +where T : Eq + Debug, + M : MyTrait<T> +{ + assert_eq!(m.get(), v); +} + +pub fn main() { + test_eq(22_usize, 0_usize); + + let value = MyType { dummy: 256 + 22 }; + test_eq(value, value.dummy); +} |