[ox] Add StringView, Writer system, Preloader system

deps/ox/src/ox/model/metadata.hpp

@@ -21,25 +21,29 @@
 #include "optype.hpp"
 #include "types.hpp"
 
-namespace ox::detail {
+namespace ox {
+
+namespace detail {
 
 template<bool>
 struct BoolWrapper {
 };
 
-template<typename T, typename = BoolWrapper<true>>
+template<int>
+struct IntWrapper {
+};
+
+}
+
+template<typename T, typename = detail::BoolWrapper<true>>
 struct preloadable: false_type {
 };
 
 template<typename T>
-struct preloadable<T, BoolWrapper<T::Preloadable>> {
+struct preloadable<T, detail::BoolWrapper<T::Preloadable>> {
 	static constexpr bool value = T::Preloadable;
 };
 
-template<int>
-struct IntWrapper {
-};
-
 // cannot be done until C++20
 //struct PseudoString {
 //	constexpr PseudoString(const char* = "") noexcept {}