| // Copyright 2018 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. |
| |
| #![feature(decl_macro)] |
| |
| macro_rules! define_exported { () => { |
| #[macro_export] |
| macro_rules! exported { |
| () => () |
| } |
| }} |
| macro_rules! define_panic { () => { |
| #[macro_export] |
| macro_rules! panic { |
| () => () |
| } |
| }} |
| macro_rules! define_include { () => { |
| #[macro_export] |
| macro_rules! include { |
| () => () |
| } |
| }} |
| |
| use inner1::*; |
| |
| mod inner1 { |
| pub macro exported() {} |
| } |
| |
| exported!(); //~ ERROR `exported` is ambiguous |
| |
| mod inner2 { |
| define_exported!(); |
| } |
| |
| fn main() { |
| panic!(); //~ ERROR `panic` is ambiguous |
| //~| ERROR `panic` is ambiguous |
| } |
| |
| mod inner3 { |
| define_panic!(); |
| } |
| |
| mod inner4 { |
| define_include!(); |
| } |
| |
| include!(); //~ ERROR `include` is ambiguous |