| // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![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. |
| |
| // pretty-expanded FIXME #23616 |
| |
| use std::marker; |
| |
| trait Foo : Send { } |
| |
| struct X<T> { marker: marker::PhantomData<T> } |
| |
| impl<T:Send> Foo for X<T> { } |
| |
| pub fn main() { } |
