//************************  cirSLList.h  **************************
//           singly-linked list class to store integers

#ifndef INT_LINKED_LIST
#define INT_LINKED_LIST

#include "circle.h"

class cirSLLNode {
public:
    Circle info;
    cirSLLNode(double el, cirSLLNode *ptr = 0) {
        info.setRadius(el); next = ptr;
    }
    cirSLLNode *next;
};

class cirSLList {
public:
    cirSLList() {
        head = tail = NULL;
    }
    ~cirSLList();
    int isEmpty() {
        return head == 0;
    }
    void addToTail(double);
    bool isInList(Circle) const;
    void displayAllElements();
private:
    cirSLLNode *head, *tail;
};

#endif