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Home » Tip Bank » C++
Language: C++
Expertise: All
Apr 13, 1999

The Role of Sequence Adaptors

A sequence adaptor is a container built upon another container that modifies its interface. For example, the container stack<> is usually implemented as a deque<>, whose non-stack operations are hidden. In addition, stack<> uses the operations back(), push_back() and pop_back() of a deque to implement the operations top(), push() and pop(), respectively. For example:
 
#include <string>
#include <stack>
#include <iostream>
using namespace std;

int main() 
{
  stack <string> strstack;
  strstack.push("Bjarne");
  strstack.push("Stroustrup");
  cout<< "topmost element is: "<< strstack.top() << endl; // display "Stroustrup"
  strstack.pop();
  cout<< "topmost element is: "<< strstack.top() << endl; // display "Bjarne"  
}
Danny Kalev
 
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