1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// Copyright 2016 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.
#![feature(slice_patterns)]
#![deny(unreachable_patterns)]
fn main() {
let buf = &[0, 1, 2, 3];
match buf {
b"AAAA" => {},
&[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[0x41, 0x41, 0x41, 0x41] => {}
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[_, 0x41, 0x41, 0x41] => {},
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[0x41, .., 0x41] => {}
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
let buf: &[u8] = buf;
match buf {
b"AAAA" => {},
&[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[0x41, 0x41, 0x41, 0x41] => {}
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[_, 0x41, 0x41, 0x41] => {},
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
match buf {
&[0x41, .., 0x41] => {}
b"AAAA" => {}, //~ ERROR unreachable pattern
_ => {}
}
}
|
