[ox/mc] Add Vector handler to DefWriter, add static_assert tests

deps/ox/src/ox/std/vector.hpp

@@ -43,6 +43,8 @@ class Vector {
 
 		void resize(std::size_t size) noexcept;
 
+		T *data();
+
 		bool contains(T) const noexcept;
 
 		void push_back(const T &item) noexcept;
@@ -153,6 +155,11 @@ void Vector<T>::resize(std::size_t size) noexcept {
 	m_size = size;
 }
 
+template<typename T>
+T *Vector<T>::data() {
+	return m_items;
+}
+
 template<typename T>
 bool Vector<T>::contains(T v) const noexcept {
 	for (std::size_t i = 0; i < m_size; i++) {