[squeak-dev] Re: code formatting
travisgriggs at gmail.com
Tue Jun 29 07:49:31 UTC 2010
On Jun 28, 2010, at 8:06 AM, Levente Uzonyi wrote:
> On Mon, 28 Jun 2010, Bert Freudenberg wrote:
>> On 28.06.2010, at 16:00, Levente Uzonyi wrote:
>>> You can exchange the temp for a message send this way:
>>> self socket ifNotNil: #closeAndDestroy.
>> No, you can't.
> I see, the compiler doesn't like it. It's a minor bug. But even if
> that's fixed it won't work, because symbols only understand #value:
> and #ifNotNil: sends #valueWithPossibleArgs:.
> | message |
> message := #squared.
> 5 ifNotNil: message.
> This is another strange case:
> | block |
> block := [ :a :b | a ].
> 5 ifNotNil: block. "===> 5"
> I wonder if there's code that relies on this feature. If not, then
> we could replace some #valueWithPossibleArgs: sends to #cull:.
> Would it make sense to implement #valueWithPossibleArgs: (and
> friends) and #cull: (and friends) for symbols?
VisualWorks does so. I use the pattern frequently.
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until you hear them speak...
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