File: const-match-pat.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 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 (20 lines) | stat: -rw-r--r-- 348 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ run-pass

#![feature(inline_const_pat)]
const MMIO_BIT1: u8 = 4;
const MMIO_BIT2: u8 = 5;

fn main() {
    let s = match read_mmio() {
        0 => "FOO",
        const { 1 << MMIO_BIT1 } => "BAR",
        const { 1 << MMIO_BIT2 } => "BAZ",
        _ => unreachable!(),
    };

    assert_eq!("BAZ", s);
}

fn read_mmio() -> i32 {
    1 << 5
}