Function to_hex

include/dpp/stringops.h:195–205

 * @return std::string value in hex, the length will be 2* the raw size of the type
 */
template <typename T> std::string to_hex(T i, bool leading_zeroes = true)
{
	char str[26] = { 0 };
	size_t size = sizeof(T) * 2;
	std::to_chars(std::begin(str), std::end(str), i, 16);
	std::string out{str};
	if (leading_zeroes && out.length() < size) {
		out.insert(out.begin(), size - out.length(), '0');
	}
	return out;
}

/**
 * @brief Format a numeric type as a string with leading zeroes