| // Copyright 2017 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. |
| |
| // run-pass |
| |
| #![feature(core_intrinsics)] |
| |
| use std::intrinsics; |
| |
| const SWAPPED_U8: u8 = unsafe { intrinsics::bswap(0x12_u8) }; |
| const SWAPPED_U16: u16 = unsafe { intrinsics::bswap(0x12_34_u16) }; |
| const SWAPPED_I32: i32 = unsafe { intrinsics::bswap(0x12_34_56_78_i32) }; |
| |
| fn main() { |
| assert_eq!(SWAPPED_U8, 0x12); |
| assert_eq!(SWAPPED_U16, 0x34_12); |
| assert_eq!(SWAPPED_I32, 0x78_56_34_12); |
| } |
