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Diffstat (limited to 'src/test/ui/coherence/coherence-rfc447-constrained.rs')
-rw-r--r-- | src/test/ui/coherence/coherence-rfc447-constrained.rs | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/test/ui/coherence/coherence-rfc447-constrained.rs b/src/test/ui/coherence/coherence-rfc447-constrained.rs deleted file mode 100644 index 9d1d86883..000000000 --- a/src/test/ui/coherence/coherence-rfc447-constrained.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass -// check that trait matching can handle impls whose types are only -// constrained by a projection. - -trait IsU32 {} -impl IsU32 for u32 {} - -trait Mirror { type Image: ?Sized; } -impl<T: ?Sized> Mirror for T { type Image = T; } - -trait Bar {} -impl<U: Mirror, V: Mirror<Image=L>, L: Mirror<Image=U>> Bar for V - where U::Image: IsU32 {} - -trait Foo { fn name() -> &'static str; } -impl Foo for u64 { fn name() -> &'static str { "u64" } } -impl<T: Bar> Foo for T { fn name() -> &'static str { "Bar" }} - -fn main() { - assert_eq!(<u64 as Foo>::name(), "u64"); - assert_eq!(<u32 as Foo>::name(), "Bar"); -} |