Where are system globals (Smalltalk and SystemOrganization)
Yar Hwee Boon
hboon at motionobj.com
Thu Dec 9 03:47:59 UTC 2004
On Thu, 9 Dec 2004 03:29:59 -0000, Aaron Gray <angray at beeb.net> wrote:
>>>>> The main problem I seem to have with looking at code is seeing what
>>>>> class certain methods are for example in :-
>>>>> (Smalltalk reject: [:item | item class isMeta ])
>>>>> associationsDo: [:assoc | Transcript show: assoc key printString;
>>>>> What class is key, if I look at Association I see key returns a key,
>>>>> but what class is that key that printString is being applied to ?
>>>>> I find this same problem over and over, is there a simple solution ?
>>>>> I may have been given the answer at somepoint but cannot remember.
>>>> You can put a self halt before the "Transcript show" to find out.
>>> Err, tried it, but cannot see how ?
>> Click debug, then inspect assoc (or assoc key) from the debugger.
>> Inspectors show the class of the object it is looking at in the window
>> title bar. Explorers don't.
> The key is a Symbol.
> So you have to run the code to find that out. And there is no other
> simple way ?
Class comments might describe this, but in this case it seems not.
Actually, I've found it more convenient to actually find out information
like this either through sending #class to an instance or viewing it in an
inspector, ie. like you say, through code. Not sure how the others do it
> Thanks, I should have known that,
Remember, its a great environment for exploration, running code should be
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