24 lines
572 B
Rust
24 lines
572 B
Rust
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// compile-flags: -Ztrait-solver=next
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// check-pass
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#![feature(ptr_metadata)]
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use std::ptr::{DynMetadata, Pointee};
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trait Trait<U> {}
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struct MyDst<T: ?Sized>(T);
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fn works<T>() {
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let _: <T as Pointee>::Metadata = ();
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let _: <[T] as Pointee>::Metadata = 1_usize;
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let _: <str as Pointee>::Metadata = 1_usize;
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let _: <dyn Trait<T> as Pointee>::Metadata = give::<DynMetadata<dyn Trait<T>>>();
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let _: <MyDst<T> as Pointee>::Metadata = ();
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let _: <((((([u8],),),),),) as Pointee>::Metadata = 1_usize;
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}
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fn give<U>() -> U {
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loop {}
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}
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fn main() {}
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