footpad, in the case of the Windows API, you suggest
selective use of the library's features. But unless you are
writing your own interfaces to access the internals, you're
still playing by the rules. I would wager that you still
have to use the interfaces to get at the internal data, but
you do so in unique ways in which the developer didn't
imagine. That's the job of a developer. Provide all the
methods that are necessary to get to the needed information,
but as the developer you can never know how this is going to
be used. This is the human side of encapsulation, often seen
in the situation where the manager hands you a ream of paper
and says, "Do this." You just do it, without knowing who's
going to do what with it. Of course, this is an extreme
model, but it happens.
My big point is that unlike a real OO language (touchy
subject I know, but in a comparative sense), Perl doesn't
hold these restrictions over our head when it's running a
script. We have to take charge and hold these restrictions
on ourselves if we choose to develop with a certain API.
tilly may have pointed out the best reason why, even
though it's unlikely that certain actions (such as our
lovely RaiseError producing warnings) will change, we can't
assume that they won't.
ALL HAIL BRAK!!!
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