Could I very politely ask you to modify the subject?
Very interesting, but somewhat off-topic ;-) I think this particular
first knight has been thoroughly de-flowered.
On Sat, 2006-06-17 at 01:04 +1000, Jamie Wilkinson wrote:
> This one time, at band camp, Benno wrote:
> >On Fri Jun 16, 2006 at 18:29:48 +1000, Erik de Castro Lopo wrote:
> >>Yes it is, a concept borrowed from Perl. I even allows brain damage
> >>like:
> >>
> >>
> >> {
> >> # Huge chunk of code.
> >> }
> >> unless condition
> >
> >Not trying to troll here, but what is exactly the point of it? It feels
> >kinda intercal, lets change things around to confuse the programmer.
> >
> >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?
>
> I've used it (post-conditionals) in Perl for some scripts that do Important
> Things in the interest of making it more readable to future mes.
>
> Depending on the context, of course:
>
> while (<WEBALIZER>) {
> if (! -t STDOUT) {
> next if (m/Truncating oversized \w+ field/);
> next if (m/Truncating oversized hostname/);
> next if (m/String exceeds storage size/);
> next if (m/No valid records found/);
> next if (m/Skipping oversized log record/);
> next if (m/Skipping bad record/);
> }
> print $_;
> }
>
> basically skips printing a bunch of stuff; reordering that would have
> increased the code size by at least double and I reckon would have made it
> less clear what it did.
>
> I wouldn't ever use it in the way Erik described though, clearly that's a
> lose for readability. Postconditional should only be used for one-liners.
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