1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
// check-pass #![feature(const_trait_impl)] trait Foo { fn a(&self); } trait Bar: ~const Foo {} struct S; impl const Foo for S { fn a(&self) {} } impl const Bar for S {} const fn foo<T: ~const Bar>(t: &T) { t.a(); } const _: () = foo(&S); fn main() {}