// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // aux-build:attribute-with-error.rs #![feature(proc_macro)] extern crate attribute_with_error; #[attribute_with_error::foo] fn test() { let a: i32 = "foo"; //~^ ERROR: mismatched types } fn main() { test(); }