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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. | |
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 | ||
11 | // Check that coercions are propagated through match and if expressions. | |
12 | ||
c34b1796 AL |
13 | // pretty-expanded FIXME #23616 |
14 | ||
1a4d82fc JJ |
15 | #![feature(box_syntax)] |
16 | ||
17 | pub fn main() { | |
c34b1796 AL |
18 | let _: Box<[isize]> = |
19 | if true { let b: Box<_> = box [1, 2, 3]; b } else { let b: Box<_> = box [1]; b }; | |
1a4d82fc | 20 | |
c34b1796 AL |
21 | let _: Box<[isize]> = match true { |
22 | true => { let b: Box<_> = box [1, 2, 3]; b } | |
23 | false => { let b: Box<_> = box [1]; b } | |
24 | }; | |
1a4d82fc JJ |
25 | |
26 | // Check we don't get over-keen at propagating coercions in the case of casts. | |
27 | let x = if true { 42 } else { 42u8 } as u16; | |
28 | let x = match true { true => 42, false => 42u8 } as u16; | |
29 | } |