#![allow(dead_code)] #![feature(rustc_attrs)] // Check that bounds on type parameters (other than `Self`) do not // influence variance. trait Getter<T> { fn get(&self) -> T; } trait Setter<T> { fn get(&self, _: T); } #[rustc_variance] struct TestStruct<U,T:Setter<U>> { //~ ERROR [+, +] t: T, u: U } #[rustc_variance] enum TestEnum<U,T:Setter<U>> { //~ ERROR [*, +] Foo(T) } #[rustc_variance] struct TestContraStruct<U,T:Setter<U>> { //~ ERROR [*, +] t: T } #[rustc_variance] struct TestBox<U,T:Getter<U>+Setter<U>> { //~ ERROR [*, +] t: T } pub fn main() { }