Declaration

typedef const X& deque<X, A>::const_reference;

Description

This is a type definition of the data type const_reference for the deque class template. This type is used to reference elements in the container without changing them.

Header Include

#include <deque>

Example

#include <iostream>
#include <deque>

int main()
{
	using namespace std;

	// Create a deque and add an element to it
	deque<int> qDeque;
	qDeque.push_back(5);

	// Assign a reference and output the element
	deque<int>::const_iterator qIter = qDeque.begin();
	deque<int>::const_reference qRef = (*qIter);
	cout << "qRef refers to " << qRef << endl;

	// Keep the window open
	cin.get();
	return 0;
}

Output