File: match-byte-array-patterns.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (55 lines) | stat: -rw-r--r-- 1,138 bytes parent folder | download | duplicates (15)
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
#![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
        _ => {}
    }
}