1 #![feature(const_fn_trait_bound)]
2 #![feature(const_trait_impl)]
3 #![feature(const_trait_bound_opt_out)]
4 #![allow(incomplete_features)]
6 pub const fn equals_self<T: ?const PartialEq>(t: &T) -> bool {
8 //~^ ERROR calls in constant functions are limited to constant functions