| // Copyright 2016 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. |
| |
| // aux-build:attr_proc_macro.rs |
| |
| #![feature(proc_macro, custom_attribute)] |
| //~^ ERROR Cannot use `#![feature(proc_macro)]` and `#![feature(custom_attribute)] at the same time |
| |
| extern crate attr_proc_macro; |
| use attr_proc_macro::attr_proc_macro; |
| |
| #[attr_proc_macro] |
| fn foo() {} |
| |
| fn main() { |
| foo(); |
| } |
