[Newbies] invoking a *class* method from a workspace
bert at freudenbergs.de
Tue Jun 5 07:43:01 UTC 2007
On Jun 5, 2007, at 7:55 , subbukk wrote:
> On Tuesday 05 June 2007 1:21 am, Bert Freudenberg wrote:
>>> class (instance variable) - instance variable of the class
>>> (treated as an
>>> object and therefore visible only to its methods and methods in its
>> I don't think that is correct - what do you mean by "treated as an
>> object"? I may be repeating myself, but *everything* is "treated as
>> an object", because it is.
> In Smalltalk, classes are first order objects. I need to keep
> reminding myself
> about this :-) because in many imperative languages this is not true.
>> Smalltalk allClasses select: [:ea | ea class instVarNames size > 0]
> Thanks for this hint. This is what I needed:
> Smalltalk allClasses select: [ :c | c class instVarNames size > 0 ]
> thenCollect: [ :c | c -> c class instVarNames ].
> I had dropped the 'class' method and instVarNames didn't work. No
> 28 classes out of 2043 define their own instance variables. Rare
And even of these few, some are in error and should really be class
- Bert -
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