Okay, so you would prefer a different naming?
On the other side, there are many prepositions that have different meanings in different selectors ...
For example, "in:" for Objects expects an evaluable. "in:" for Compilers expects either an environment or a context.
"on:" expects either an exception, or a model, or an event name, or a stream. :)
Personally, I don't really care - each selector in Squeak is only one Cmd + M or Cmd + ArrowRight away from revealing their argument's true names. Smalltalk's complexity is just greater than the complexity of any natural language :-)
Best,
Christoph
________________________________ Von: Squeak-dev squeak-dev-bounces@lists.squeakfoundation.org im Auftrag von Taeumel, Marcel Gesendet: Montag, 6. Januar 2020 10:42:56 An: John Pfersich via Squeak-dev Betreff: Re: [squeak-dev] The Inbox: Kernel-ct.1292.mcz
Note Squeak's object events: #when:send:to:. There, "when" requires an event object as a look-up key in the event map. Usually a Symbol.
Best, Marcel
Am 03.01.2020 07:43:42 schrieb Jakob Reschke forums.jakob@resfarm.de:
Note that VA Smalltalk has a legacy approach to exceptions that precedes the ANSI standard. It uses #when:do: in place of #on:do:. (Nowadays it also supports #on:do: but not for old-style exceptions in applications.) Might not a blocker for the proposed nomenclature, but you should at least be aware of it.
<commits@source.squeak.orgmailto:commits@source.squeak.org> schrieb am Fr., 3. Jan. 2020, 02:21: A new version of Kernel was added to project The Inbox: http://source.squeak.org/inbox/Kernel-ct.1292.mcz
==================== Summary ====================
Name: Kernel-ct.1292 Author: ct Time: 3 January 2020, 2:21:26.297116 am UUID: 95936a10-85a4-734e-a10b-0f87290b70f9 Ancestors: Kernel-nice.1291
Proposal: Implement conditional exception handling on blocks. The nomenclature is inspired from usual practice in .NET languages.
For an impression of possible users, have a look at:
self systemNavigation browseMessageList: ((self systemNavigation allCallsOn: #on:do: and: #pass) intersection: (#(ifTrue: ifFalse: ifTrue:ifFalse: ifFalse:ifTrue:) gather: [:sel | self systemNavigation allCallsOn: sel])) name: 'Potential users of #on:when:do:'
=============== Diff against Kernel-nice.1291 ===============
Item was added: + ----- Method: BlockClosure>>on:when:do: (in category 'exceptions') ----- + on: exceptionOrExceptionSet when: aPredicate do: handlerAction + + ^ self + on: exceptionOrExceptionSet + do: [:exception | + (aPredicate value: exception) + ifTrue: [handlerAction cull: exception] + ifFalse: [exception pass]]!
Item was added: + ----- Method: BlockClosure>>on:when:ensure: (in category 'exceptions') ----- + on: exceptionOrExceptionSet when: aPredicate ensure: aBlock + + ^ self + on: exceptionOrExceptionSet + do: [:exception | + (aPredicate value: exception) + ifTrue: [aBlock value]. + exception pass]!