CPP
cpp
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// Created by Ketan Lalcheta
#include <iostream>
#include <iomanip>
#include <functional>
using namespace std;
void myTaskExecuter(function<void(void)> fun) {
cout << "\nmyTaskExecuter is called!\n ";
fun();
cout << "myTaskExecuter end\n"
;
}
class myOperations {
public:
void addition(int a,int b) {
cout << "addition:\n "
<< a << " + " << b << " :"
<< a + b << endl;
}
void substraction(int a,int b) {
cout << "subtraction:\n "
<< a << " - " << b << " :"
<< a - b << endl;
}
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OUTPUT
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