src/test/run-pass/zero-sized/zero-sized-tuple-struct.rs


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// Copyright 2012 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.

// run-pass
#![allow(unused_assignments)]

// Make sure that the constructor args are codegened for zero-sized tuple structs

struct Foo(());

fn main() {
    let mut a = 1;
    Foo({ a = 2 });
    assert_eq!(a, 2);
}