operators c++
// Operators are simply functions but cooler
// E.g: The + sign is an operator, [] is an operator, you get the point
// Which is even cooler is you can overload them
// Means you can change their behavior
// I can make + actually decrement (dont do this)
int operator+(int other){
return *this - other;
}
// And make - return always 0
int operator-(int other){ return 0; }
// (THIS IS ANOTHER PROGRAM SO + AND - ARE NOT BROKEN ANYMORE)
#include <iostream>
#include <string>
#include <stdio.h>
#include <vector>
// And then im gonna make a class
class UselessClass{
private:
// And have a vector of integers with a bunch of numbers
std::vector<int> numbers = {1, 2, 3};
public:
// Then im gonna make the array index operator return the int at the index but with 5 added to the int
int operator[](int index){
return this->numbers[index] + 5;
}
};
int main(){
// And then
UselessClass a;
std::cout << a[0] << "n";
// It will print 6
}