On Sun, 10 Oct 2010, Igor Stasenko wrote:

> On 10 October 2010 17:34, Randal L. Schwartz <merlyn at stonehenge.com> wrote:
>>>>>>> "Igor" == Igor Stasenko <siguctua at gmail.com> writes:
>>
>> Igor> i am also missing:
>>
>> Igor> someThing ifTrue: 1 ifFalse: 0
>>
>> Down that path lies ambiguity though.
>>
>> If you had
>>
>>  actionSymbol := aBoolean ifTrue: #doThis else: #doThat.
>>
>> do you want the symbol assigned, or performed?
>>
>> Please don't add so much dwimmery here.  I like it that Smalltalk is
>> fairly strict with these basic forms.
>
> what dwimmery you talking about?
>
> b :=  [ 15 ].
> a :=  [ 16 ].
>
> true ifTrue: a ifFalse: b
> 16
>
> as well as:
>
> b :=  15 .
> a :=  16 .
>
> true ifTrue: a ifFalse: b
> 16
>
> works well.
>
>
> In this way,
>
> answer := process ifNotNil: #terminate.
>
> should be equivalent to:
>
> answer := process notNil ifTrue: #terminate
>
> but not to:
>
> answer := process notNil ifTrue: [ process terminate ].

How would you implement #ifNotNil: to reflect this? Would you dispatch on 
the type of the argument?


Levente

>
>
>>
>> --
>> Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
>> <merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
>> Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
>> See http://methodsandmessages.posterous.com/ for Smalltalk discussion
>>
>
>
>
> -- 
> Best regards,
> Igor Stasenko AKA sig.
>
>