| // Copyright 2017 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. |
| |
| // compile-pass |
| #![allow(dead_code)] |
| use std::ops::Add; |
| |
| fn ref_add<T>(a: &T, b: &T) -> T |
| where |
| for<'x> &'x T: Add<&'x T, Output = T>, |
| { |
| a + b |
| } |
| |
| fn main() {} |