// Copyright 2014 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. #![feature(rustc_diagnostic_macros)] __register_diagnostic!(E0001) __register_diagnostic!(E0003) fn main() { __diagnostic_used!(E0002); //~^ ERROR unknown diagnostic code E0002 __diagnostic_used!(E0001); //~^ NOTE previous invocation __diagnostic_used!(E0001); //~^ WARNING diagnostic code E0001 already used } __build_diagnostic_array!(DIAGNOSTICS) //~^ WARN diagnostic code E0003 never used