On Fri, Apr 29, 2011 at 05:55:18PM -0400, Uri Guttman wrote: > >>>>> "MM" == Mike McClain <mike.j...@cox.net> writes: <snip> > zs> my $expr = $_[0]; > >> > >> this is better: > >> my ( $expr ) = @_ ; > > MM> Better how? > > * it doesn't require indexing so it is faster. > * it is the most standard way to get sub args. > * it easily allows for adding args by just putting another var > in the (). > * you can assign the rest of the args to an array or hash (after the > scalar args). > > ***** oh, it is also 1 char (not counting white space) shorter! > > at least 4+ good reasons there! and not one downside reason i can think > of. > > and those are also good reasons not to use shift on @_ except when it > really is needed. > uri
Those look like good reasons to me. Thanks, Mike -- Satisfied user of Linux since 1997. O< ascii ribbon campaign - stop html mail - www.asciiribbon.org -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
