diff options
Diffstat (limited to 'src/test/ui/coherence/coherence-where-clause.rs')
-rw-r--r-- | src/test/ui/coherence/coherence-where-clause.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/coherence/coherence-where-clause.rs b/src/test/ui/coherence/coherence-where-clause.rs new file mode 100644 index 000000000..5c40def86 --- /dev/null +++ b/src/test/ui/coherence/coherence-where-clause.rs @@ -0,0 +1,38 @@ +// run-pass + +use std::fmt::Debug; +use std::default::Default; + +trait MyTrait { + fn get(&self) -> Self; +} + +impl<T> MyTrait for T + where T : Default +{ + fn get(&self) -> T { + Default::default() + } +} + +#[derive(Clone, Copy, Debug, PartialEq)] +struct MyType { + dummy: usize +} + +impl MyTrait for MyType { + fn get(&self) -> MyType { (*self).clone() } +} + +fn test_eq<M>(m: M, n: M) +where M : MyTrait + Debug + PartialEq +{ + assert_eq!(m.get(), n); +} + +pub fn main() { + test_eq(0_usize, 0_usize); + + let value = MyType { dummy: 256 + 22 }; + test_eq(value, value); +} |