rust/src/test/run-pass/rfcs/rfc-2008-non-exhaustive/structs_same_crate.rs

// 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
#![feature(non_exhaustive)]

#[non_exhaustive]
pub struct NormalStruct {
    pub first_field: u16,
    pub second_field: u16,
}

#[non_exhaustive]
pub struct UnitStruct;

#[non_exhaustive]
pub struct TupleStruct (pub u16, pub u16);

fn main() {
    let ns = NormalStruct { first_field: 640, second_field: 480 };

    let NormalStruct { first_field, second_field } = ns;

    let ts = TupleStruct { 0: 340, 1: 480 };
    let ts_constructor = TupleStruct(340, 480);

    let TupleStruct { 0: first, 1: second } = ts;
    let TupleStruct(first, second) = ts_constructor;

    let us = UnitStruct {};
    let us_constructor = UnitStruct;

    let UnitStruct { } = us;
}