Print out a deque, reference its content by index, : deque subscript indexer « deque « C++ Tutorial

1. C++ Tutorial
2. deque
3. deque subscript indexer

#include <deque>
#include <iostream>

using namespace std;
typedef deque<char> CHARDEQUE;
void print_contents(CHARDEQUE deque, char*);

int main(void){
   CHARDEQUE  a;  

   if(a.empty())  
     cout << "a is empty" << endl;
   else
     cout << "a is not empty" << endl;

   a.push_back('A');
   a.push_back('B');
   a.push_back('C');
   a.push_back('D');
   if(a.empty())  
       cout << "a is empty" << endl;
   else
       cout << "a is not empty" << endl;
   print_contents(a,"a");      

   cout << "The first element of a is  " << a[0] << endl;
   cout << "The first element of a is  " << a.at(0) << endl;
   cout << "The last element of a is  " << a[a.size()-1] << endl;
   cout << "The last element of a is  " << a.at(a.size()-1) << endl;
}

void print_contents(CHARDEQUE deque, char *name){
   CHARDEQUE::iterator pdeque;

   cout << "The contents of "<< name << " : ";
   for(pdeque = deque.begin(); pdeque != deque.end(); pdeque++)
     cout << *pdeque <<" ";
   cout << endl;
}