File: const-int-conversion-rpass.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 816 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
//@ run-pass

const REVERSE: u32 = 0x12345678_u32.reverse_bits();
const FROM_BE_BYTES: i32 = i32::from_be_bytes([0x12, 0x34, 0x56, 0x78]);
const FROM_LE_BYTES: i32 = i32::from_le_bytes([0x12, 0x34, 0x56, 0x78]);
const FROM_NE_BYTES: i32 = i32::from_be(i32::from_ne_bytes([0x80, 0, 0, 0]));
const TO_BE_BYTES: [u8; 4] = 0x12_34_56_78_i32.to_be_bytes();
const TO_LE_BYTES: [u8; 4] = 0x12_34_56_78_i32.to_le_bytes();
const TO_NE_BYTES: [u8; 4] = i32::MIN.to_be().to_ne_bytes();

fn main() {
    assert_eq!(REVERSE, 0x1e6a2c48);
    assert_eq!(FROM_BE_BYTES, 0x12_34_56_78);
    assert_eq!(FROM_LE_BYTES, 0x78_56_34_12);
    assert_eq!(FROM_NE_BYTES, i32::MIN);
    assert_eq!(TO_BE_BYTES, [0x12, 0x34, 0x56, 0x78]);
    assert_eq!(TO_LE_BYTES, [0x78, 0x56, 0x34, 0x12]);
    assert_eq!(TO_NE_BYTES, [0x80, 0, 0, 0]);
}