C++ Functional Library - greater_equal

Description

It is a function object class for greater-than-or-equal-to comparison and binary function object class whose call returns whether the its first argument compares greater than or equal to the second (as returned by operator >=).

Declaration

Following is the declaration for std::greater_equal.

template <class T> struct greater_equal;

C++11

template <class T> struct greater_equal;

Parameters

T − It is a type of the arguments and return type of the functional call.

Return Value

none

Exceptions

noexcep − It doesn't throw any exceptions.

Example

In below example explains about std::greater_equal.

#include <iostream>
#include <functional>
#include <algorithm>

int main () {
   int numbers[]={200,-30,10,-40,0};
   int cx = std::count_if (numbers, numbers+5, std::bind2nd(std::greater_equal<int>(),0));
   std::cout << "There are " << cx << " non-negative elements.\n";
   return 0;
}

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

There are 3 non-negative elements.