// 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(macro_rules)]; macro_rules! test ( ($nm:ident, $a:attr, $i:item) => (mod $nm { $a; $i }); ) test!(a, #[cfg(qux)], pub fn bar() { }) test!(b, #[cfg(not(qux))], pub fn bar() { }) #[qux] fn main() { a::bar(); //~^ ERROR use of undeclared module `a` //~^^ ERROR unresolved name //~^^^ ERROR unresolved name `a::bar` b::bar(); }