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From: Oliver Kleinke <oliver.kleinke@c-01a.de>
Newsgroups: comp.lang.ada
Subject: Re: What would you like in Ada202X?
Date: Thu, 26 Apr 2012 10:18:48 +0200
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Date: 2012-04-26T10:18:48+02:00
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Am 25.04.2012 23:17, schrieb Yannick Duchêne (Hibou57):
> Le Wed, 25 Apr 2012 21:02:57 +0200, Oliver Kleinke
> <oliver.kleinke@c-01a.de> a écrit:
>>> Particularly interesting, since now Microsoft is popularizing
>>> partial classes.
>>
>> partial classes are totally different from subunits. Partial classes
>> are needed for Microsoft's automated code-generation. Partial classes
>> are offensive in that they allow arbitrary extension of classes
>> _anywhere_.
>
> What that mean? Kind of Aspect Programming?

Partial classes allow you to split the class definition over multiple 
files. Subunits impose a certain restriction in that 1) every subunit 
has to be announced (with 'is separate') and 2) can be defined only 
once, with one body. Partial classes however, allow you to define any 
member functions and attributes you like in an arbitrary number of files.