feat: add MEM_ZERO and BITS_TO_VALUE

Author: qudix

include/REX/REX/CAST.h

@@ -25,6 +25,12 @@ namespace REX
 		reinterpret_cast<std::uintptr_t*>(a_ptr)[0] = T::VTABLE[0].address();
 	}
 
+	template <class T>
+	void MEM_ZERO(volatile T* a_ptr, std::size_t a_size = sizeof(T))
+	{
+		std::fill_n(reinterpret_cast<volatile char*>(a_ptr), a_size, '\0');
+	}
+
 	template <class T1, class T2>
 	[[nodiscard]] T1 UNRESTRICTED_CAST(T2 a_from)
 	{

include/REX/REX/CONVERT.h

@@ -5,6 +5,25 @@
 
 namespace REX
 {
+	template <class U, class... T>
+	U BITS_TO_VALUE(T... a_args)
+		requires(std::same_as<std::remove_cv_t<T>, bool> && ...)
+	{
+		constexpr auto ARGC = sizeof...(T);
+
+		std::bitset<ARGC> bits;
+		std::size_t       i = 0;
+		((bits[i++] = a_args), ...);
+
+		if constexpr (ARGC <= std::numeric_limits<std::uint32_t>::digits) {
+			static_cast<U>(return bits.to_ulong());
+		} else if constexpr (ARGC <= std::numeric_limits<std::uint64_t>::digits) {
+			static_cast<U>(return bits.to_ullong());
+		} else {
+			static_assert(false && sizeof...(T));
+		}
+	}
+
 	inline bool UTF8_TO_UTF16(const std::string_view a_in, std::wstring& a_out) noexcept
 	{
 		const auto cvt = [&](wchar_t* a_dst, std::size_t a_length) {