mirror of https://github.com/rust-lang/rust
46 lines
734 B
Rust
46 lines
734 B
Rust
//@ run-pass
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enum Wrapper {
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Wrap(i32),
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}
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use Wrapper::Wrap;
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pub fn main() {
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let Wrap(x) = &Wrap(3);
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println!("{}", *x);
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let Wrap(x) = &mut Wrap(3);
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println!("{}", *x);
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if let Some(x) = &Some(3) {
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println!("{}", *x);
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} else {
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panic!();
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}
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if let Some(x) = &mut Some(3) {
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println!("{}", *x);
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} else {
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panic!();
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}
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if let Some(x) = &mut Some(3) {
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*x += 1;
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} else {
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panic!();
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}
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while let Some(x) = &Some(3) {
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println!("{}", *x);
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break;
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}
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while let Some(x) = &mut Some(3) {
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println!("{}", *x);
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break;
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}
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while let Some(x) = &mut Some(3) {
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*x += 1;
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break;
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}
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}
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