Added two new commands

src/misc/scope_guard.h

@@ -0,0 +1,13 @@
+#pragma once
+
+template <typename callback_t>
+struct scope_exit_callback {
+	public:
+		scope_exit_callback(callback_t&& callback) : callback(std::forward<callback_t>(callback)) {}
+		~scope_exit_callback() {
+			this->callback();
+		}
+
+	private:
+		callback_t callback;
+};