Heikki Levanto wrote:
To get down to earth, I would like to look at the board at the end of
each playout, calculate something more than just win/loss, and pass that
info back to who ever called playout. One way to do that would be to
pass a function pointer and a (void?) pointer to playout, and have it
call back the function with the board, winner, and the void pointer. If
that sounds more like C than C++, it is because I am a C programmer. If
some other C++ idiom could do the same thing, all the better.
If you're going for more of a C++ library feel, function objects are the
way to go. Function objects impose extra overhead but add a potential
for a more generic adapter around other code that uses it. I have yet
to convince myself of the benefit of C++ function objects for most
applications. C++'s support for them is just too clunky in comparison
to other C++ language features (or equivalent ones in other languages
with built-in support).
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