From: Greg Go <ruby-forum@...>
Date: 2008-01-10T13:11:23+09:00
Subject: Re: DateTime new_offset unexpected results

Todd Benson wrote:
> On Jan 7, 2008 3:05 PM, Greg Go <ruby-forum@incognitology.com> wrote:
>> Thanks for your reply.
>> It's only the rise object for this invocation of the day class that
>> fails, and only for DST times.
> 
> And only with Rational(-6, 24) during the rise event?
> 
>> @ld = @jd.new_offset(offset)
> Try (#'s mark the additional/changed lines)...
> 
> offset = Rational(-7, 24)
> puts "dstStart before IF: " << @@dstStart ###
> puts "dstEnd before IF: " << @@dstEnd ###
> if (@jd > @@dstStart) && (@jd < @@dstEnd)
>   puts "dstStart after IF: " << @@dstStart ###
>   puts "dstEnd after IF: " << @@dstEnd ###
>   offset = Rational(-6, 24)
> end
> @ld = @jd.new_offset(offset)
> 
> puts @jd ###
> puts @ld ###
> 
> and see what you get for the rise event (just out of curiosity).
> 
> Todd

Todd:

Although I'm not sure what this proves, I did this, and the two class 
variables (@@dstStart, @@dstEnd) didn't change. I'm unclear as to where 
you're going with this -- am I missing something with the way that ruby 
handles class variables?

Thanks!
Greg
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