[squeak-dev] Class comment for Date mentions #localizedDates
Chris Cunningham
cunningham.cb at gmail.com
Mon Jun 27 18:27:12 UTC 2016
>
> For what it is worth, I spend >80% of my time working with
> dates/timestamps, trying to turn them into Magnitudes for manipulations.
> The other 20%, I really enjoy them as timespans with locales since I deal
> with times from around the world. But the two uses are not quite easy to
> deal with - doable, just not quite intuitive.
>
So if we store the start time isn't the conversion to a magnitude simply an
inst var access?
That's mostly what I do. But it depends on how the Date is created. For
instance, unless you live in the UTC time zone, the following is true:
Date today = DateAndTime now asDate "==>true"
Date today start = DateAndTime now asDate start "==>false"
Date today start asSeconds = DateAndTime now asDate start asSeconds
"==>true"
And, of course, it isn't a DAY that we are talking about - it is a
DateAndTime (a specific point in time).
It's just remembering which corner cases are true, and which aren't, at any
given time.
(as an aside, I find it interesting that Timespan current gives you a day.
It is what Date today is based off of - so don't ever change that Timespan
#current method!)
-cbc
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