Function little_endianess

Source/Utils/json.hpp:7680–7683

! @brief determine system byte order @return true if and only if system's byte order is little endian @note from https://stackoverflow.com/a/1001328/266378 */

        @note from https://stackoverflow.com/a/1001328/266378
        */
        static inline bool little_endianess(int num = 1) noexcept
        {
            return *reinterpret_cast<char*>(&num) == 1;
        }


        ///////////////////