CppYoutube/include/functions.cpp

#include "functions.h"

void test_func()
{
    std::cout << "Hello from function but changed!" << std::endl;
}

bool isPrimeNum(int num)
{
    for (int i = 2; i < num; i++)
    {
        if (num % i == 0)
            return false;
    }
    return true;
}