| // Copyright 2012 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. |
| |
| |
| fn foo(x: Option<Box<int>>, b: bool) -> int { |
| match x { |
| None => { 1 } |
| Some(ref x) if b => { *x.clone() } |
| Some(_) => { 0 } |
| } |
| } |
| |
| pub fn main() { |
| foo(Some(box 22), true); |
| foo(Some(box 22), false); |
| foo(None, true); |
| foo(None, false); |
| } |
