is it possible to make function that will accept multiple data types for given argument?

Question

Writing a function I must declare input and output data types like this:

int my_function (int argument) {}

Is it possible to make such a de

Answer 1

Use a template:

template 
T my_function(T arg) {
  // Do stuff
}

int a = my_function(4);

Or just overload:

int my_function(int a) { ... }
char my_function(char a) { ... }
bool my_function(bool a) { ... }