Re: Date anomaly
Re: Date anomaly
- Subject: Re: Date anomaly
- From: Christopher Nebel <email@hidden>
- Date: Thu, 13 Mar 2003 11:02:10 -0800
On Wednesday, March 12, 2003, at 07:32 PM, Deivy Petrescu wrote:
Chris, you said that "date d" isn't a date.
But, check this out:
<script>
set d to "1/1/1"
log class of date d --------> date
log date d -------------------> (*Monday, January 1, 2001 0:00:00*)
set k to date d
log class of k ----------------> date
try
(current date) - (date d)
on error e
e -----------------------> "Can't make date \"Monday, January 1, 2001
0:00:00\" into a number or date."
end try
<script>
Exchanging k with date d works.
I've had other times when I had to coerce a class into itself to make
the script work. Hard to understand why this would happen some times.
Thanks for any clarification.
"date d" is not, technically, a date -- it's an object specifier.
However, in each of these cases except the last one, there's an
implicit evaluation of the object specifier, so you get the obvious
result. Yes, I know this is obscure. Object specifiers and references
are supposed to always get evaluated implicitly when used in
expressions *except* for "is" and "is not", and frankly, even that's
debatable. There's a bug filed on the subtraction case.
--Chris Nebel
AppleScript Engineering
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