example223.cpp

来自「Data Abstraction & Problem Solving with 」· C++ 代码 · 共 31 行

#include <list>
#include <iostream>
using namespace std;

int main()
{
	list<int> myList;
	list<int>::iterator curr;

	// right now, the list is empty;
	// start the iterator at the beginning of myList
	curr = myList.begin();
	// test for empty list
	if (curr == myList.end())
	   cout << "The list is empty" << endl;

	// insert five items into the list myList
	for (int j = 0; j < 5; j++)
	   // places item j at the front of the list
	   curr = myList.insert(curr, j);

	// now output each item in the list starting with the
	// first item in the list; keep moving the iterator
	// to the next item in the list until the end of
	// the list is reached
	for (curr = myList.begin(); curr != myList.end(); curr++)
	   cout << *curr << " ";
	cout << endl;

	return 0;
}  // end main