C++ Map Library - cend() Function


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Description

The C++ function std::multimap::cend() returns a constant iterator which points to past-the-end element of the multimap.

Declaration

Following is the declaration for std::multimap::cend() function form std::map header.

C++11

const_iterator cend() const noexcept;

Parameters

None

Return value

Returns a constant iterator.

Exceptions

This member function never throws exception.

Time complexity

Constant i.e. O(1)

Example

The following example shows the usage of std::multimap::cend() function.

Live Demo
#include <iostream>
#include <map>

using namespace std;

int main(void) {
   /* Multimap with duplicates */
   multimap<char, int> m {
         {'a', 1},
         {'a', 2},
         {'b', 3},
         {'c', 4},
         {'c', 5},
               };

   cout << "Multimap contains following elements:" << endl;

   for (auto it = m.cbegin(); it != m.cend(); ++it)
      cout << it->first << " = " << it->second << endl;

   return 0;
}

Let us compile and run the above program, this will produce the following result −

Multimap contains following elements:
a = 1
a = 2
b = 3
c = 4
c = 5

map.htm

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