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// Copyright 2017 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
enum Wrapper {
Wrap(i32),
}
use Wrapper::Wrap;
pub fn main() {
let Wrap(x) = &Wrap(3);
println!("{}", *x);
let Wrap(x) = &mut Wrap(3);
println!("{}", *x);
if let Some(x) = &Some(3) {
println!("{}", *x);
} else {
panic!();
}
if let Some(x) = &mut Some(3) {
println!("{}", *x);
} else {
panic!();
}
if let Some(x) = &mut Some(3) {
*x += 1;
} else {
panic!();
}
while let Some(x) = &Some(3) {
println!("{}", *x);
break;
}
while let Some(x) = &mut Some(3) {
println!("{}", *x);
break;
}
while let Some(x) = &mut Some(3) {
*x += 1;
break;
}
}
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