C++ Queues

back

   TYPE &back();

The function back() returns a reference to the last element in the current queue.

empty

  bool empty();

The empty() function returns true if the current priority queue is empty, and false otherwise.

front

   TYPE &front();

The function front() returns a reference to the first element in the current queue.

pop

  void pop();

The function pop() discards the first element in the current priority queue.

push

  void push( const TYPE &val );

The function push() adds an element to the current priority queue.

size

  size_type size();

The size() function returns the number of things in the current priority queue.