C++ Functional Library - minus

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Description

It is a subtraction function object class and binary function object class whose call returns the result of subtracting its second argument from its first argument (as returned by the binary operator -).

Declaration

Following is the declaration for std::minus.

 template <class T> struct minus; 

C++11

 template <class T> struct minus; 

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::minus.

 #include <iostream> #include <functional> #include <algorithm> int main () { int numbers[]={10000,3000,35000}; int result; result = std::accumulate (numbers, numbers+3, 100, std::minus<int>()); std::cout << "The result is " << result << ".\n"; return 0; } 

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

 The result is -47900.