| //@ compile-flags: -Znext-solver | |
| #![allow(incomplete_features)] | |
| #![feature(const_trait_impl, effects)] | |
| #[const_trait] | |
| pub trait Tr { | |
| fn a(&self) {} | |
| fn b(&self) { | |
| ().a() | |
| //~^ ERROR the trait bound `(): ~const Tr` is not satisfied | |
| } | |
| } | |
| impl Tr for () {} | |
| fn main() {} |