| // 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. |
| |
| // `ty` matcher accepts trait object types |
| |
| macro_rules! m { |
| ($t: ty) => ( let _: $t; ) |
| } |
| |
| fn main() { |
| m!(Copy + Send + 'static); //~ ERROR the trait `std::marker::Copy` cannot be made into an object |
| m!('static + Send); |
| m!('static +); //~ ERROR at least one non-builtin trait is required for an object type |
| } |
