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primarykey
Id
14048123
data
AcceptedAnswerId
0
AnswerCount
0
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0
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CreationDate
2012-12-27T00:55:02.337
FavoriteCount
0
LastActivityDate
2012-12-27T08:01:53.103
LastEditDate
2012-12-27T08:01:53.103
LastEditorUserId
1781008
OwnerUserId
982238
ParentId
14047887
PostTypeId
2
Score
5
ViewCount
0
LastEditorDisplayName
text
Body
I'm not a creator of a smalltalk, but it seems to be the best thing to do. For example if you'll execute: <pre><code>var := myInstance myMethod. </code></pre> then the question is: what do you want <code>var</code> to become? One option will be <code>nil</code>. But it's a bit confusing, because you are working with defined objects and <code>nil</code> is actually an undefined one. So you can treat it as you are assigning <code>myInstance</code> to <code>var</code> and just calling myMethod along the way. Also this can be probably treated as a shorthand for <pre><code> var := myInstance myMethod; yourself. </code></pre> If you'll look from the inside, then from all data available to the object itself the most appropriate thing is probably also <code>self</code>. Once again, the <code>nil</code> can be returned, but I've told my opinion on it before. In Smalltalk there is no such thing as a void method that returns nothing, and there is no type checking. So a method just has to return something. It's like the Object says: <blockquote> I can return myself for any method call by default because I always know about myself, and you can redefine this behavior in case you want me to return something else. </blockquote> Personally I think that returning <code>nil</code> might be good too, and Objective-C applications use <code>nil</code> stuff very often, but Smalltalk is made this way and I think it's a quite good solution.
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1. POWhy do methods return "self" by default in Smalltalk?
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1. PTAnswer
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1. USSebastian N.
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1. USUko
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