diff options
Diffstat (limited to 'src/test/ui/specialization/issue-38091-2.rs')
-rw-r--r-- | src/test/ui/specialization/issue-38091-2.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/specialization/issue-38091-2.rs b/src/test/ui/specialization/issue-38091-2.rs new file mode 100644 index 000000000..9ed0b240d --- /dev/null +++ b/src/test/ui/specialization/issue-38091-2.rs @@ -0,0 +1,28 @@ +// build-fail +//~^ ERROR overflow evaluating the requirement `i32: Check` + +#![feature(specialization)] +//~^ WARN the feature `specialization` is incomplete + +trait Iterate<'a> { + type Ty: Valid; + fn iterate(self); +} +impl<'a, T> Iterate<'a> for T +where + T: Check, +{ + default type Ty = (); + default fn iterate(self) {} +} + +trait Check {} +impl<'a, T> Check for T where <T as Iterate<'a>>::Ty: Valid {} + +trait Valid {} + +impl Valid for () {} + +fn main() { + Iterate::iterate(0); +} |