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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-35570.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-35570.rs b/src/test/ui/issues/issue-35570.rs new file mode 100644 index 000000000..42cef9a47 --- /dev/null +++ b/src/test/ui/issues/issue-35570.rs @@ -0,0 +1,28 @@ +use std::mem; + +trait Trait1<T> {} +trait Trait2<'a> { + type Ty; +} + +fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) { +//~^ the trait bound `for<'a> (): Trait2<'a>` is not satisfied + let _e: (usize, usize) = unsafe{mem::transmute(param)}; +} + +trait Lifetime<'a> { + type Out; +} +impl<'a> Lifetime<'a> for () { + type Out = &'a (); +} +fn foo<'a>(x: &'a ()) -> <() as Lifetime<'a>>::Out { + x +} + +fn takes_lifetime(_f: for<'a> fn(&'a ()) -> <() as Lifetime<'a>>::Out) { +} + +fn main() { + takes_lifetime(foo); +} |