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Diffstat (limited to '')
-rw-r--r-- | tests/ui/traits/new-solver/pointee.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/pointee.rs b/tests/ui/traits/new-solver/pointee.rs new file mode 100644 index 000000000..fa6ee2e2d --- /dev/null +++ b/tests/ui/traits/new-solver/pointee.rs @@ -0,0 +1,23 @@ +// compile-flags: -Ztrait-solver=next +// check-pass +#![feature(ptr_metadata)] + +use std::ptr::{DynMetadata, Pointee}; + +trait Trait<U> {} +struct MyDst<T: ?Sized>(T); + +fn works<T>() { + let _: <T as Pointee>::Metadata = (); + let _: <[T] as Pointee>::Metadata = 1_usize; + let _: <str as Pointee>::Metadata = 1_usize; + let _: <dyn Trait<T> as Pointee>::Metadata = give::<DynMetadata<dyn Trait<T>>>(); + let _: <MyDst<T> as Pointee>::Metadata = (); + let _: <((((([u8],),),),),) as Pointee>::Metadata = 1_usize; +} + +fn give<U>() -> U { + loop {} +} + +fn main() {} |