| // Test that the variance computation considers types that | |
| // appear in const expressions to be invariant. | |
| #![feature(rustc_attrs)] | |
| #![allow(incomplete_features)] | |
| #![feature(generic_const_exprs)] | |
| trait Trait { | |
| const Const: usize; | |
| } | |
| #[rustc_variance] | |
| struct Foo<T: Trait> { //~ ERROR [T: o] | |
| field: [u8; <T as Trait>::Const] | |
| //~^ ERROR: unconstrained generic constant | |
| } | |
| fn main() { } |