disallowed-deconstructing-destructing-struct-match.rs

// Copyright 2013 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.

struct X {
    x: String,
}

impl Drop for X {
    fn drop(&mut self) {
        println!("value: {}", self.x);
    }
}

fn main() {
    let x = X { x: "hello".to_string() };

    match x {
        X { x: y } => println!("contents: {}", y)
        //~^ ERROR cannot move out of type `X`, which implements the `Drop` trait
    }
}