>>>>> "JSD" == Jonathan Scott Duff <[EMAIL PROTECTED]> writes:
JSD> On Fri, Apr 21, 2006 at 11:06:20AM -0700, Larry Wall wrote: >> On Fri, Apr 21, 2006 at 12:45:13PM -0500, Jonathan Scott Duff wrote: >> : According to S05, "a /.../ matches immediately in a value context >> : (void, Boolean, string, or numeric)" and since >> : >> : (state $x) ||= / pattern /; >> : >> : is very much the same as >> : >> : state $x; $x = $x || /pattern/; >> : >> : I'd say that's a "boolean context" and thus matches against $_ instead >> : of assigning the Regex object to $x. >> >> Except the right side of || isn't in boolean context till you evaluate >> $x that way, so it probably wants to be written with m//: JSD> I almost added a little bit of text to the end of that other message JSD> but didn't. I think it's most appropriate now: JSD> I must say that I have trouble distinguishing when using // gives you JSD> a Regex object and when it actually does pattern matching, so I intend JSD> on always using m// when I want a match, and some form of rx// when I JSD> want an object. having read S05's take on that i agree in general. i will probably always use rx// the way you had to use qr// in p5. i may drop the m in // as that is the classic 'match this now'. but i think it is good style to mark these as to what you mean and not let the DWIM rule for you. but then i also rarely use $_ in p5 so i would be using ~~ as i use =~ now and that always means match so the m wouldn't be needed for clarification. but the way p6 uses $_ in some places is much better than p5 so that rule may need changing too. oy! the habits to be broken and relearned! uri -- Uri Guttman ------ [EMAIL PROTECTED] -------- http://www.stemsystems.com --Perl Consulting, Stem Development, Systems Architecture, Design and Coding- Search or Offer Perl Jobs ---------------------------- http://jobs.perl.org
