rust/src/test/compile-fail/privacy/restricted/tuple-struct-fields/test2.rs

// 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 (foo) ());
        struct S3(pub $t ()); //~ ERROR expected `,`, found `(`
                              //~| ERROR expected one of `;` or `where`, found `(`
    }
}

mod foo {
    define_struct! { (foo) }
}