[Gllug] Perl Question - Spam Filter for NMS Form Mail

Nix nix at esperi.org.uk
Wed Feb 18 13:22:40 UTC 2009


On 17 Feb 2009, Richard Jones told this:
> Is OO actually useful for anything?  The canonical example is GUI
> toolkits.  These days I'm less and less convinced that OO is helpful
> even there.

ADTs with complex internal state can find the information-hiding,
multiple-instantiation, and sometimes even the inheritance aspects of OO
to be useful. (Of course in languages with real type systems this is
rarely an issue, except if you run into something unexpected and
difficult, in which case you might as well simply give up. Haskell is
really bad here, a maze of trapdoors. OCaml seems to be much better from
my limited use: if you hit problems you can get out of them *without*
multiple PhDs and years of maths grinding.)
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