rust/src/test/ui-fulldeps/proc-macro/three-equals.rs

39 lines
954 B
Rust

// 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.
// aux-build:three-equals.rs
// ignore-stage1
#![feature(proc_macro)]
extern crate three_equals;
use three_equals::three_equals;
fn main() {
// This one is okay.
three_equals!(===);
// Need exactly three equals.
three_equals!(==);
// Need exactly three equals.
three_equals!(=====);
// Only equals accepted.
three_equals!(abc);
// Only equals accepted.
three_equals!(!!);
// Only three characters expected.
three_equals!(===a);
}