ClickHouse/base/common/types.h

#pragma once

#include <cstdint>
#include <string>

using Int8 = int8_t;
using Int16 = int16_t;
using Int32 = int32_t;
using Int64 = int64_t;

#ifndef __cpp_char8_t
using char8_t = unsigned char;
#endif

/// This is needed for more strict aliasing. https://godbolt.org/z/xpJBSb https://stackoverflow.com/a/57453713
#if !defined(PVS_STUDIO) /// But PVS-Studio does not treat it correctly.
using UInt8 = char8_t;
#else
using UInt8 = uint8_t;
#endif

using UInt16 = uint16_t;
using UInt32 = uint32_t;
using UInt64 = uint64_t;

using String = std::string;

namespace DB
{

using UInt8 = ::UInt8;
using UInt16 = ::UInt16;
using UInt32 = ::UInt32;
using UInt64 = ::UInt64;

using Int8 = ::Int8;
using Int16 = ::Int16;
using Int32 = ::Int32;
using Int64 = ::Int64;

using Float32 = float;
using Float64 = double;

using String = std::string;

}