// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // aux-build:bang_proc_macro2.rs #![feature(proc_macro_hygiene)] #![allow(unused_macros)] extern crate bang_proc_macro2; use bang_proc_macro2::bang_proc_macro2; fn main() { let foobar = 42; bang_proc_macro2!(); //~^ ERROR cannot find value `foobar2` in this scope //~^^ did you mean `foobar`? println!("{}", x); }