rvalue functions for containers

lib/main/containers/piqueue.h

@@ -35,13 +35,15 @@ public:
 	PIQueue() {}
 	virtual ~PIQueue() {}
 	PIDeque<T> & enqueue(const T & v) {PIDeque<T>::push_front(v); return *this;}
+	PIDeque<T> & enqueue(T && v) {PIDeque<T>::push_front(std::move(v)); return *this;}
 	T dequeue() {return PIDeque<T>::take_back();}
 	T & head() {return PIDeque<T>::back();}
 	const T & head() const {return PIDeque<T>::back();}
 	PIVector<T> toVector() {
-		PIVector<T> v(PIDeque<T>::size());
+		PIVector<T> v;
+		v.reserve(PIDeque<T>::size());
 		for (uint i = 0; i < PIDeque<T>::size(); ++i)
-			v[i] = PIDeque<T>::at(i);
+			v.push_back(PIDeque<T>::at(i));
 		return v;
 	}
 };