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JVP's mid-tier inheritance challenge
Message
 
 
To
31/01/2000 11:40:57
General information
Forum:
Visual FoxPro
Category:
Classes - VCX
Miscellaneous
Thread ID:
00324138
Message ID:
00325609
Views:
35
Sorry...

I don't understand the question you are asking...

>>What I mean is that composition is often a better alternative to inheritance..
>>
>>>>It is all about the design and architecture. If you do it right, you are in good shape. There is a preponderance of evidence that has found however that often, relying on implementation inheritance leads to problems. Why do you think the patterns movement in the VFP community is so popular???
>>>
>>>I don't know, can you expand?
>
>
>This is getting really interesting. To help clarify further -- can you give an example of the following please:
>
>1) You are creating a base class.
>2) You are not doing anything obviously wrong -- you are leaving lots of hooks and putting the properties you will need in the base class.
>3) But you get yourself into real trouble and would have been much better off using composition.
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