chapter7-17.cpp

C++STL程序员开发指南

//文件名:CHAPTER7-17.cpp
#include <iostream>
#include <deque>
#if _MSC_VER > 1020   // if VC++ version is > 4.2
   using namespace std;  // std c++ libs implemented in std
#endif
typedef deque<char >  CHARDEQUE;
void print_contents (CHARDEQUE  deque);
int main()
{   CHARDEQUE  a(3,'A');
    CHARDEQUE  b(2,'B');
    print_contents (a);
    print_contents (b);
    a.insert(a.begin(),'X');  // 在deque的头部插入一元素，值为'X'
    print_contents (a);
    a.insert(a.end(),'Y'); // 在deque的尾部插入一元素，值为'Y'
    print_contents (a);
    //inset 3 'Z's to one item before the end of a
    a.insert(a.end()-1,3,'Z'); // 在deque的尾部前一元素处插入3个元素，值为'Z'
    print_contents (a);
    a.insert(a.end(),b.begin(),b.end()); // 把b的所有值插入到a变量的尾部
    print_contents (a);
	return 0;
}
//deque的显示函数
void print_contents (CHARDEQUE  deque)
{   CHARDEQUE::iterator pdeque;
    cout <<"The output is: ";
    for(pdeque = deque.begin(); pdeque != deque.end(); pdeque++)
    {     cout << *pdeque <<" " ;    }
    cout<<endl;
}