libcruft-util/cruft/util/std.hpp

53 lines
1.6 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2018-2020, Danny Robson <danny@nerdcruft.net>
*/
#pragma once
#include <cstdint>
/// A collection of convenience typedefs that define short aliases (three
/// letters) to std sized types in the global namespace.
///
/// We guarantee that there will be minimal, and safe, includes in this header.
///////////////////////////////////////////////////////////////////////////////
using u08 = std::uint8_t;
using u16 = std::uint16_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
//-----------------------------------------------------------------------------
static_assert (sizeof (u08) == 1);
static_assert (sizeof (u16) == 2);
static_assert (sizeof (u32) == 4);
static_assert (sizeof (u64) == 8);
///////////////////////////////////////////////////////////////////////////////
using i08 = std::int8_t;
using i16 = std::int16_t;
using i32 = std::int32_t;
using i64 = std::int64_t;
//-----------------------------------------------------------------------------
static_assert (sizeof (i08) == 1);
static_assert (sizeof (i16) == 2);
static_assert (sizeof (i32) == 4);
static_assert (sizeof (i64) == 8);
///////////////////////////////////////////////////////////////////////////////
using f32 = float;
using f64 = double;
//-----------------------------------------------------------------------------
static_assert (sizeof (f32) == 4);
static_assert (sizeof (f64) == 8);