// edition:2018 // revisions: full min #![cfg_attr(full, feature(adt_const_params))] #![cfg_attr(full, allow(incomplete_features))] struct Foo; impl Foo { //~^ ERROR: expected type, found built-in attribute `feature` //~^^ ERROR: the const parameter `H` is not constrained by the impl trait, self type, or predicates async fn biz() {} } fn main() {}