diff options
Diffstat (limited to 'src/test/ui/associated-types/issue-41868.rs')
-rw-r--r-- | src/test/ui/associated-types/issue-41868.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/issue-41868.rs b/src/test/ui/associated-types/issue-41868.rs new file mode 100644 index 000000000..52bbd1f5d --- /dev/null +++ b/src/test/ui/associated-types/issue-41868.rs @@ -0,0 +1,23 @@ +// check-pass + +// Defaulted assoc. types should normalize properly in impls that don't +// override them. + +#![feature(associated_type_defaults)] + +pub struct Foo; + +pub trait CanDecode: Sized { + type Output = Self; + fn read(rdr: &mut Foo) -> Option<Self::Output>; +} + +impl CanDecode for u8 { + fn read(rdr: &mut Foo) -> Option<Self::Output> { Some(42) } +} + +impl CanDecode for u16 { + fn read(rdr: &mut Foo) -> Option<u16> { Some(17) } +} + +fn main() {} |