Smalltalk - Re: Is [variable] not object?

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Re: Is [variable] not object?

Reinout Heeck

2005-05-25, 3:59 pm

ChanHong Kim wrote:
>
> I'm writing the Dolphin Smalltalk tutorial in Korean.So I'll explain
> [variables] in philosopical method.
>
> In Smalltalk, "Everything is Object", however, variable is not.
> I can't send any message variable itself. The message sent to the
> object which is bind that variable.
>
> How can I explain such situation? Please tell me good idea about
> explain the concept of Smalltalk's variables.
>

Perhaps describe variables as collections of slots?
Instance vars are slots in an object,
Global vars are slots in a dictionary object,
temp vars are ad-hoc slots you can request by writing their names between
two vertical bars.

Since slots are part of an object they are not objects.

R
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