1 // Copyright 2014 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.
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.
11 // Check that coercions are propagated through match and if expressions.
13 #![allow(unknown_features)]
14 #![feature(box_syntax)]
18 if true { let b: Box<_> = box [1, 2, 3]; b } else { let b: Box<_> = box [1]; b };
20 let _: Box<[int]> = match true {
21 true => { let b: Box<_> = box [1, 2, 3]; b }
22 false => { let b: Box<_> = box [1]; b }
25 // Check we don't get over-keen at propagating coercions in the case of casts.
26 let x = if true { 42 } else { 42u8 } as u16;
27 let x = match true { true => 42, false => 42u8 } as u16;