I personally hate switch. That said, getting rid of the CR's would help make the new "choose" easier to read. If you want a CR, use \
choose tValue when 1 or 2 or 3 -- do something end choose choose tValue when 1\ or 2\ or 3 -- do something end choose On Wed, May 24, 2017 at 9:03 AM, Kay C Lan via use-livecode < use-livecode@lists.runrev.com> wrote: > On Wed, May 24, 2017 at 8:25 PM, Mark Waddingham via use-livecode > <use-livecode@lists.runrev.com> wrote: > > > Thanks Mark for the explanation. > > > choose tValue > > when 1 > > when 2 > > when 3 > > -- executes if tValue is 1, 2 or 3 > > -- never falls through > > > > when 4 > > -- never falls through > > > > default > > end choose > > > > This caters for both cases (1) and (2) and is unambiguous. > > > Whilst I certainly like the above and think it an improvement, if I > were to 'step back' and redesign Switch I think I'd make it clearer > that 'fall through' is just an OR - it took me ages to realise and > I've have very very long: case ((....) OR (....) OR (....) ....) which > were extremely long and very hard to read until I rewrote them as > > case > case > case > case > ---do something > break > > What I can't currently solve is the many case ((.....) AND (,,,,) AND > (....) AND (...)... ) > > So, again if I were reinventing Switch: > > choose tVale > when 1 > or 2 > or 3 > --do something > -- no further fall through > when > 6 > and < 60 > and even > --do something else > --no further fall through > when 4 > --do another thing > default > --some other thing > end choose > > Just makes it clear that fall through is being used to combine the > statements, but in my design it isn't just restricted to OR. > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > -- On the first day, God created the heavens and the Earth On the second day, God created the oceans. On the third day, God put the animals on hold for a few hours, and did a little diving. And God said, "This is good." _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
