On Fri, Dec 06, 2002 at 04:22:19PM -0500, Jeff 'japhy' Pinyan wrote: > On Dec 6, Paul Johnson said: > > >On Fri, Dec 06, 2002 at 11:58:37AM -0500, Danny Miller wrote: > > > >> Strictly speaking, ++$count is faster than $count++. > > > >Strictly speaking, perl will convert $count++ to ++$count if it can. > > Strictly speaking, there is another major difference no one has mentioned > yet (and that many people might have trouble understanding). Using > $count++ returns a NUMBER OR STRING, and then increments $count's value. > ++$count increments $count's value, and returns THE SCALAR ITSELF. > > How does this matter? Well, watch:
[ fun and games with ++ ] > CRAZY. Or logical. Both, really. Documented. And guaranteed not to change. Neither, really. ( At least, I don't think so. ) I'm reminded of the man page for csh: Although robust enough for general use, adventures into the esoteric periphery of the C shell may reveal unexpected quirks. Fortunately, Perl's esoteria is less pronounced than that of the C shell. > Oops. This is [EMAIL PROTECTED] Sorry. ;) Perl internals for beginners :-) -- Paul Johnson - [EMAIL PROTECTED] http://www.pjcj.net -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
