1 // Copyright 2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that `impl MyTrait for &i32` works and is equivalent to any lifetime.
17 #![feature(impl_header_lifetime_elision)]
21 impl MyTrait for &i32 {
24 fn impls_my_trait<T: MyTrait>() { }
26 fn impls_my_trait_val<T: MyTrait>(_: T) {
27 impls_my_trait::<T>();
30 fn random_where_clause()
31 where for<'a> &'a i32: MyTrait { }
37 impls_my_trait_val(f);
39 impls_my_trait::<&'static i32>();
41 random_where_clause();