On Sat, Jun 17, 2006 at 09:46:25AM +1000, Matthew Palmer wrote:
> > I guess there are some cases where it is more natural to say (in english),
> > "do something unless condition", than, "if not condition do something".
> > Is that the rationale behind the language feature?
>
> Yes, I'd say so. If programmers want to abuse it, I suppose that's their
> lookout.
I think that's it; it's a suggestion as to the expected
most common pathway through the code.
&usualfunction() unless $somethingbad;
I'm sure I've read Larry Wall's comments about this
in more detail, but 'unless' is a little hard
to google for. Perhaps in the Apocalypse talks
there'd be something.
I like it sorta. It can make the code read
quite nicely.
There's a bunch more control conditionals and
control flow constructs you can read about
in "man perlsyn"
Matt
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