32 lines
900 B
Rust
32 lines
900 B
Rust
// 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 <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.
|
|
|
|
// We only want to assert that this doesn't ICE, we don't particularly care
|
|
// about whether it nor it fails to compile.
|
|
|
|
// error-pattern:
|
|
|
|
macro_rules! foo{
|
|
() => {{
|
|
macro_rules! bar{() => (())}
|
|
1
|
|
}}
|
|
}
|
|
|
|
pub fn main() {
|
|
foo!();
|
|
|
|
assert!({one! two()});
|
|
|
|
// regardless of whether nested macro_rules works, the following should at
|
|
// least throw a conventional error.
|
|
assert!({one! two});
|
|
}
|