diff options
Diffstat (limited to 'tests/ui/traits/next-solver/higher-ranked-dyn-bounds.rs')
-rw-r--r-- | tests/ui/traits/next-solver/higher-ranked-dyn-bounds.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/higher-ranked-dyn-bounds.rs b/tests/ui/traits/next-solver/higher-ranked-dyn-bounds.rs new file mode 100644 index 000000000..b87210d7f --- /dev/null +++ b/tests/ui/traits/next-solver/higher-ranked-dyn-bounds.rs @@ -0,0 +1,17 @@ +// compile-flags: -Znext-solver +// check-pass + +trait Trait<'a> { + type Item: for<'b> Trait2<'b>; +} + +trait Trait2<'a> {} +impl Trait2<'_> for () {} + +fn needs_trait(_: Box<impl for<'a> Trait<'a> + ?Sized>) {} + +fn foo(x: Box<dyn for<'a> Trait<'a, Item = ()>>) { + needs_trait(x); +} + +fn main() {} |