too_specific1.cpp

#include <iostream>

void needInt(int i)
{
    std::cout << "int: " << i << std::endl;
}

int main()
{
    std::cout << std::endl;

    double d{1.234};
    std::cout << "double: " << d << std::endl;

    needInt(d);

    std::cout << std::endl;
}