projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| c30ab7b3 SL |
1 | // Copyright 2016 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 | ||
| 0531ce1d | 11 | #![feature(slice_patterns)] |
| 32a655c1 | 12 | #![deny(unreachable_patterns)] |
| c30ab7b3 SL |
13 | |
| 14 | fn main() { | |
| 15 | let buf = &[0, 1, 2, 3]; | |
| 16 | ||
| 17 | match buf { | |
| 18 | b"AAAA" => {}, | |
| 19 | &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern | |
| 20 | _ => {} | |
| 21 | } | |
| 22 | ||
| 23 | match buf { | |
| 24 | &[0x41, 0x41, 0x41, 0x41] => {} | |
| 25 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 26 | _ => {} | |
| 27 | } | |
| 28 | ||
| 29 | match buf { | |
| 30 | &[_, 0x41, 0x41, 0x41] => {}, | |
| 31 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 32 | _ => {} | |
| 33 | } | |
| 34 | ||
| 35 | match buf { | |
| 36 | &[0x41, .., 0x41] => {} | |
| 37 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 38 | _ => {} | |
| 39 | } | |
| 40 | ||
| c30ab7b3 SL |
41 | let buf: &[u8] = buf; |
| 42 | ||
| 43 | match buf { | |
| 44 | b"AAAA" => {}, | |
| 45 | &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern | |
| 46 | _ => {} | |
| 47 | } | |
| 48 | ||
| 49 | match buf { | |
| 50 | &[0x41, 0x41, 0x41, 0x41] => {} | |
| 51 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 52 | _ => {} | |
| 53 | } | |
| 54 | ||
| 55 | match buf { | |
| 56 | &[_, 0x41, 0x41, 0x41] => {}, | |
| 57 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 58 | _ => {} | |
| 59 | } | |
| 60 | ||
| 61 | match buf { | |
| 62 | &[0x41, .., 0x41] => {} | |
| 63 | b"AAAA" => {}, //~ ERROR unreachable pattern | |
| 64 | _ => {} | |
| 65 | } | |
| c30ab7b3 | 66 | } |