diff options
Diffstat (limited to 'src/test/run-pass/rfc-2005-default-binding-mode/enum.rs')
| -rw-r--r-- | src/test/run-pass/rfc-2005-default-binding-mode/enum.rs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/test/run-pass/rfc-2005-default-binding-mode/enum.rs b/src/test/run-pass/rfc-2005-default-binding-mode/enum.rs new file mode 100644 index 00000000000..a7b3db021b0 --- /dev/null +++ b/src/test/run-pass/rfc-2005-default-binding-mode/enum.rs @@ -0,0 +1,56 @@ +// 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. + +#![feature(match_default_bindings)] + +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; + } +} |
