overload4.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

// Build don't link:

template <class T> void foo(T);

template <class T> void bar(void (*)(T), T);

void baz() {
  bar<int>(foo, 1);
  bar(foo<int>, 1);
  bar<int>(foo<int>, 1);
  bar(foo, 1); 
}