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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
223e47cc | 11 | fn foo<T>(y: Option<T>) { |
c34b1796 AL |
12 | let mut x: isize; |
13 | let mut rs: Vec<isize> = Vec::new(); | |
223e47cc LB |
14 | /* tests that x doesn't get put in the precondition for the |
15 | entire if expression */ | |
16 | ||
17 | if true { | |
18 | } else { | |
19 | match y { | |
20 | None::<T> => x = 17, | |
21 | _ => x = 42 | |
22 | } | |
970d7e83 | 23 | rs.push(x); |
223e47cc LB |
24 | } |
25 | return; | |
26 | } | |
27 | ||
c34b1796 | 28 | pub fn main() { println!("hello"); foo::<isize>(Some::<isize>(5)); } |