// 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:three-equals.rs // ignore-stage1 #![feature(proc_macro, proc_macro_non_items)] extern crate three_equals; use three_equals::three_equals; fn main() { // This one is okay. three_equals!(===); // Need exactly three equals. three_equals!(==); //~ ERROR found 2 equal signs, need exactly 3 // Need exactly three equals. three_equals!(=====); //~ ERROR expected EOF // Only equals accepted. three_equals!(abc); //~ ERROR expected `=` // Only equals accepted. three_equals!(!!); //~ ERROR expected `=` // Only three characters expected. three_equals!(===a); //~ ERROR expected EOF }