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[Caml-list] Delegation based OO
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Date: 2004-03-24 (14:12)
From: Yamagata Yoriyuki <yoriyuki@m...>
Subject: Re: [Caml-list] Delegation based OO
From: Alex Baretta <alex@baretta.com>
Subject: Re: [Caml-list] Delegation based OO
Date: Wed, 24 Mar 2004 11:43:48 +0100

> Delegation is no relative of inheritance. Inheritance is a syntactic 
> property (essentially classes inherit code), whereas delegation is a 
> semantic property: once one method is delegated by a proxy object to an 
> executor object, the the visibility of the proxy is lost. The method is 
> executed as if it were invoked directly on the executor.

There is a certain approach (object-based OO) which makes inheritance
to be a relation between objects (and get rid of the concept of class
altogether).  In this approach, we can add, and modify mothods in
objects in run time.  I confuse this with Alex proposal.

Yamagata Yoriyuki

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