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RE: What's so cool about Scheme?

To: "Bayley, Alistair" <address@hidden>
Subject: RE: What's so cool about Scheme?
From: Mike Newhall <address@hidden>
Date: Tue, 03 Jun 2003 10:50:34 -0400
Cc: address@hidden
In-reply-to: <7DFF3BC6CA957441AEADA7F340BFAA340C2EB0@GBLONEX11.lon.invesco.com>
Sender: address@hidden


>procedural languages. That is, the thing that determines whether or not a
>language is object-oriented is: does it support inclusional polymorphism?

	Semantic clarification: What are you referring to by "inclusional" polymorphism?

	I think of OO as being the ability to provide user-defined types with invariants; polymorphism is a necessary addition once you can create types and type hierarchies.

References:
- RE: What's so cool about Scheme?
  - From: "Bayley, Alistair" <Alistair_Bayley@ldn.invesco.com>

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