// 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. pub fn increment(x: usize) -> usize { x + 1 } #[macro_export] macro_rules! increment { ($x:expr) => ($crate::increment($x)) } pub fn check_local() { assert_eq!(increment!(3), 4); }