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//@ 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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