37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
// Copyright 2016 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.
|
|
|
|
// aux-build:two_macros.rs
|
|
|
|
#![allow(unused_macros)]
|
|
|
|
macro_rules! foo { () => {} }
|
|
macro_rules! macro_one { () => {} }
|
|
#[macro_use(macro_two)] extern crate two_macros;
|
|
|
|
macro_rules! m1 { () => {
|
|
macro_rules! foo { () => {} } //~ ERROR `foo` is already in scope
|
|
|
|
#[macro_use] //~ ERROR `macro_two` is already in scope
|
|
extern crate two_macros as __;
|
|
}}
|
|
m1!();
|
|
|
|
foo!();
|
|
|
|
macro_rules! m2 { () => {
|
|
macro_rules! foo { () => {} }
|
|
foo!();
|
|
}}
|
|
m2!();
|
|
//^ Since `foo` is not used outside this expansion, it is not a shadowing error.
|
|
|
|
fn main() {}
|