// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![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); }