| // 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. |
| |
| #![allow(unused)] |
| |
| fn main() { |
| { fn f<X: ::std::marker()::Send>() {} } |
| //~^ ERROR parenthesized parameters may only be used with a trait |
| //~| WARN previously accepted |
| |
| { fn f() -> impl ::std::marker()::Send { } } |
| //~^ ERROR parenthesized parameters may only be used with a trait |
| //~| WARN previously accepted |
| } |
| |
| #[derive(Clone)] |
| struct X; |
| |
| impl ::std::marker()::Copy for X {} |
| //~^ ERROR parenthesized parameters may only be used with a trait |
| //~| WARN previously accepted |
