src/test/run-pass/macro-stmt_macro_in_expr_macro.rs


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// 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 <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.

macro_rules! foo {
    () => {
        struct Bar;
        struct Baz;
    }
}

macro_rules! grault {
    () => {{
        foo!();
        struct Xyzzy;
        0
    }}
}

fn main() {
    let x = grault!();
    assert_eq!(x, 0);
}