| //@ run-pass | |
| #![allow(dead_code)] | |
| // Tests that even when a type parameter doesn't implement a required | |
| // super-builtin-kind of a trait, if the type parameter is never used, | |
| // the type can implement the trait anyway. | |
| use std::marker; | |
| trait Foo : Send { } | |
| struct X<T> { marker: marker::PhantomData<T> } | |
| impl<T:Send> Foo for X<T> { } | |
| pub fn main() { } |