rust/src/test/compile-fail-fulldeps/proc-macro/auxiliary/bang_proc_macro2.rs

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// 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.
// force-host
// no-prefer-dynamic
#![feature(proc_macro)]
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro]
pub fn bang_proc_macro2(_: TokenStream) -> TokenStream {
"let x = foobar2;".parse().unwrap()
}