Chris, I'm sure its fine but still interested in taking a look but
can't get to it tonight.

On Tue, May 14, 2019 at 7:32 PM David T. Lewis <lewis at mail.msen.com> wrote:
>
> +1
>
> The original code answered a new instance if and only if the offset
> of aDateAndTime was different from DateAndTime class>>localOffset,
> whatever that might happen to be. The method name #asLocal implies
> that it should (consistently) answer a new instance. That sounds
> more correct to me, so as long as the tests still pass and nothing
> else is broken, please move it to trunk.
>
> Dave
>
> On Tue, May 14, 2019 at 03:38:28PM -0700, Chris Cunningham wrote:
> > Apparently I use this, but not where I run into it every day.
> >
> > And there are test to make sure #asLocal works - but they involve having
> > aDateAndTime set, then comparing aDateAndTime asLocal = aDateAndTime, which
> > obviously works.  Since the previous code actually changed aDateAndTime,
> > the two are identical (as opposed to just equivalent).
> >
> > If no one objects, I'll move this into trunk in a couple of days.
> >
> > -cbc
> >
> > On Tue, May 14, 2019 at 3:33 PM <commits at source.squeak.org> wrote:
> >
> > > Chris Cunningham uploaded a new version of Chronology-Core to project The
> > > Inbox:
> > > http://source.squeak.org/inbox/Chronology-Core-cbc.45.mcz
> > >
> > > ==================== Summary ====================
> > >
> > > Name: Chronology-Core-cbc.45
> > > Author: cbc
> > > Time: 14 May 2019, 3:33:13.333275 pm
> > > UUID: 4117cd16-a46a-4647-9630-49ee93d3f725
> > > Ancestors: Chronology-Core-nice.44
> > >
> > > With the UTC / DateAndTime changs, DateAndTime>>utcOffset: changed to
> > > update the existing instance in place instead of creating a new instance.
> > > The change fixes #asLocal to create a new instance, bypassing #utcOffset:.
> > > Follows the same logic as used in #asUTC
> > >
> > > =============== Diff against Chronology-Core-nice.44 ===============
> > >
> > > Item was changed:
> > >   ----- Method: DateAndTime>>asLocal (in category 'ansi protocol') -----
> > >   asLocal
> > > +       "Anwer a copy of oursielves (if necessary) in the local timezone.
> > > #utcOffset: now modifies my instance, so the creation of the new instance
> > > should happen here."
> > > -
> > >
> > >         ^ (self offset = self class localOffset)
> > > -
> > >                 ifTrue: [self]
> > > +               ifFalse: [self copy localOffsetSeconds: self class
> > > localOffset asSeconds]!
> > > -               ifFalse: [self utcOffset: self class localOffset]!
> > >
> > >
> > >
>
> >
>
>