Expose some low level functions and String operators.

include/godot_cpp/variant/variant.hpp

@@ -322,6 +322,18 @@ struct VariantComparator {
 	static _FORCE_INLINE_ bool compare(const Variant &p_lhs, const Variant &p_rhs) { return p_lhs.hash_compare(p_rhs); }
 };
 
+template <typename... VarArgs>
+String vformat(const String &p_text, const VarArgs... p_args) {
+	Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
+	Array args_array;
+	args_array.resize(sizeof...(p_args));
+	for (uint32_t i = 0; i < sizeof...(p_args); i++) {
+		args_array[i] = args[i];
+	}
+
+	return p_text % args_array;
+}
+
 } // namespace godot
 
 #endif // GODOT_VARIANT_HPP