src/test/ui/tuple/tuple-struct-fields/test3.rs


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// 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.

macro_rules! define_struct {
    ($t:ty) => {
        struct S1(pub($t));
        struct S2(pub (in foo) ());
        struct S3(pub($t) ());
        //~^ ERROR expected one of `)` or `,`, found `(`
    }
}

mod foo {
    define_struct! { foo }
}