src/test/compile-fail/macro-use-scope.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // aux-build:two_macros.rs
  12
  13 #![feature(rustc_attrs)]
  14 #![allow(unused)]
  15
  16 fn f() {
  17     let _ = macro_one!();
  18 }
  19 #[macro_use(macro_one)] // Check that this macro is usable in the above function
  20 extern crate two_macros;
  21
  22 fn g() {
  23     macro_two!();
  24 }
  25 macro_rules! m { () => {
  26     #[macro_use(macro_two)] // Check that this macro is usable in the above function
  27     extern crate two_macros as _two_macros;
  28 } }
  29 m!();
  30
  31 #[rustc_error]
  32 fn main() {} //~ ERROR compilation successful