// run-pass
const U8_MAX_HALF: u8 = !0u8 / 2;
const U16_MAX_HALF: u16 = !0u16 / 2;
const U32_MAX_HALF: u32 = !0u32 / 2;
const U64_MAX_HALF: u64 = !0u64 / 2;

fn main() {
    assert_eq!(U8_MAX_HALF, 0x7f);
    assert_eq!(U16_MAX_HALF, 0x7fff);
    assert_eq!(U32_MAX_HALF, 0x7fff_ffff);
    assert_eq!(U64_MAX_HALF, 0x7fff_ffff_ffff_ffff);
}