1 // Copyright 2017 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 #![allow(unused_macros)]
12 // aux-build:hygiene_example_codegen.rs
13 // aux-build:hygiene_example.rs
16 #![feature(proc_macro_hygiene)]
18 extern crate hygiene_example;
19 use hygiene_example::hello;
22 mod hygiene_example {} // no conflict with `extern crate hygiene_example;` from the proc macro
23 macro_rules! format { () => {} } // does not interfere with `format!` from the proc macro
24 macro_rules! hello_helper { () => {} } // similarly does not intefere with the proc macro
26 let string = "world"; // no conflict with `string` from the proc macro