tests/ui/traits/const-traits/predicate-entailment-passes.rs

//@ compile-flags: -Znext-solver
//@ check-pass

#![feature(const_trait_impl)]

#[const_trait] trait Bar {}
impl const Bar for () {}

#[const_trait] trait TildeConst {
    fn foo<T>() where T: [const] Bar;
}
impl TildeConst for () {
    fn foo<T>() where T: Bar {}
}


#[const_trait] trait AlwaysConst {
    fn foo<T>() where T: const Bar;
}
impl AlwaysConst for i32 {
    fn foo<T>() where T: Bar {}
}
impl const AlwaysConst for u32 {
    fn foo<T>() where T: [const] Bar {}
}

fn main() {}