| // 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<T>(y: Option<T>) { |
| let mut x: isize; |
| let mut rs: Vec<isize> = Vec::new(); |
| /* tests that x doesn't get put in the precondition for the |
| entire if expression */ |
| |
| if true { |
| } else { |
| match y { |
| None::<T> => x = 17, |
| _ => x = 42 |
| } |
| rs.push(x); |
| } |
| return; |
| } |
| |
| pub fn main() { println!("hello"); foo::<isize>(Some::<isize>(5)); } |
