mirror of https://github.com/rust-lang/rust
23 lines
490 B
Rust
23 lines
490 B
Rust
#![feature(generic_const_exprs)]
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#![allow(incomplete_features)]
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#![deny(where_clauses_object_safety)]
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const fn bar<T: ?Sized>() -> usize { 7 }
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trait Foo {
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fn test(&self) where [u8; bar::<Self>()]: Sized;
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//~^ ERROR the trait `Foo` cannot be made into an object
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//~| WARN this was previously accepted by the compiler but is being phased out
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}
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impl Foo for () {
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fn test(&self) where [u8; bar::<Self>()]: Sized {}
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}
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fn use_dyn(v: &dyn Foo) {
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v.test();
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}
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fn main() {}
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