//@ revisions: simple adt_const_params full #![cfg_attr(full, feature(adt_const_params, unsized_const_params))] #![cfg_attr(full, allow(incomplete_features))] #![cfg_attr(adt_const_params, feature(adt_const_params))] #![cfg_attr(adt_const_params, allow(incomplete_features))] fn foo() {} //~^ ERROR `f32` is forbidden as the type of a const generic parameter const C: f32 = 1.0; fn main() { foo::(); }