// Copyright 2015 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(type_macros)] macro_rules! foo { ($a:expr) => $a; //~ ERROR macro rhs must be delimited } fn main() { foo!(0); // Check that we report errors at macro definition, not expansion. let _: cfg!(foo) = (); //~ ERROR non-type macro in type position derive!(); //~ ERROR `derive` can only be used in attributes }