diff options
Diffstat (limited to 'src/test/ui/associated-types/issue-47139-2.rs')
-rw-r--r-- | src/test/ui/associated-types/issue-47139-2.rs | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/src/test/ui/associated-types/issue-47139-2.rs b/src/test/ui/associated-types/issue-47139-2.rs deleted file mode 100644 index d2ef89425..000000000 --- a/src/test/ui/associated-types/issue-47139-2.rs +++ /dev/null @@ -1,66 +0,0 @@ -// run-pass -// Regression test for issue #47139: -// -// Same as issue-47139-1.rs, but the impls of dummy are in the -// opposite order. This influenced the way that coherence ran and in -// some cases caused the overflow to occur when it wouldn't otherwise. -// In an effort to make the regr test more robust, I am including both -// orderings. - -#![allow(dead_code)] - -pub trait Insertable { - type Values; - - fn values(self) -> Self::Values; -} - -impl<T> Insertable for Option<T> - where - T: Insertable, - T::Values: Default, -{ - type Values = T::Values; - - fn values(self) -> Self::Values { - self.map(Insertable::values).unwrap_or_default() - } -} - -impl<'a, T> Insertable for &'a Option<T> - where - Option<&'a T>: Insertable, -{ - type Values = <Option<&'a T> as Insertable>::Values; - - fn values(self) -> Self::Values { - self.as_ref().values() - } -} - -impl<'a, T> Insertable for &'a [T] -{ - type Values = Self; - - fn values(self) -> Self::Values { - self - } -} - -trait Unimplemented { } - -trait Dummy { } - -struct Foo<T> { t: T } - -impl<T> Dummy for T - where T: Unimplemented -{ } - -impl<'a, U> Dummy for Foo<&'a U> - where &'a U: Insertable -{ -} - -fn main() { -} |