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The Role of Sequence Adaptors

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 #include #include using namespace std;int main() {  stack  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"  }
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