* Andrew Falanga:
>
> About two weeks ago (or so) I posted here that I was having problems
> with getting a member function pointer to point to a member function
> without giving me grief.
Yes, as a novice you should not use member functions /at all/.
> I've gone to trying this on a trial program
> that I will post below in its entirety. I just can't get it right and
> although I've tried the suggestions given to me from the other
> posting, I'm still doing something wrong. So, here's my test program:
>
> #include <iostream>
>
> class base {
> int somedata;
>
> public:
> base();
>
> int GetData() {
> return somedata;
> }
>
> int (base::*ptrMemFunc)();
>
> };
>
> base::base() : somedata(5), ptrMemFunc(&base::GetData)
> {}
>
> // this one's only in here to make sure I remembered how to use
> function pointers
> int AnInt() {
> return 5;
> }
>
> int main( ) {
> base b;
> int (*pAnInt)() = AnInt;
>
> std::cout << pAnInt() << std::endl;
>
> b.ptrMemFunc();
"b.ptrMemFunc" is an expression that refers to a non-static member
function pointer.
"()" tries to call the referred non-static member function, without
specifying
an object.
That's meaningless.
> return 0;
> }
>
[snip]
>
> So, how do I get a class member, that is a function pointer, point to
> another member function of that class, and the use that pointer to
> reference these functions in other parts of the code that I'm trying
> to?
Don't.
Use virtual member functions.
Cheers, & hth.,
- Alf
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