> -----Original Message----- > From: Rick Measham [mailto:[EMAIL PROTECTED] > Sent: Wednesday, September 01, 2004 3:07 PM > To: Bruce Van Allen; [EMAIL PROTECTED] > Cc: Dave Rolsky > Subject: Re: Problems with (and patch for) February 30th in > t/006_locales.t in DateTime::Format::Strptime 1.06 > > > At 2:51 pm -0700 2004-09-01, Bruce Van Allen wrote: > >Pace that, the list had extensive discussion early on about > specifying > >end-of-month handling when doing date calcs. Hence the > 'wrap', 'limit', > >and 'preserve' modes for the end_of_month parameter in DT::Duration. > > > >Absent such a parameter, no date calculation would be correct in the > >usual meaning of 'correct'. > > > I've realised my mistake, and withdraw my request from a few days > back. I agree that in date math there should be the right behaviour, > however this wasn't in the math it was in a set. > $dt->set( month=>2, day=>30 ); > > Now you either typed in the wrong thing there or you made a > mistake like I did: > for (1..12){ > $dt->set( month=>$_, day=>30) > } > > It's right to cause a die there because DT has no idea what I'm > doing. I may have entered static value as in the top, or I might be > using a rolling variable as in the bottom. If I'm using a rolling > value I should be relying on date math, not a for loop. > > The fix is as simple as either specifying a day that is in every > month, or using date math and just adding a month (with limit or > preserve)
Now throw that in a doc somewhere (perhaps a FAQ?) so that this nugget is captured for posterity. :) -ofer
