Re: [FD] creating classes at runtime

• To: Hugh Greene <q@tardis.ed.ac.uk>, <info-dylan@ai.mit.edu>
• Subject: Re: [FD] creating classes at runtime
• From: P T Withington <ptw@callitrope.com>
• Date: Thu, 11 May 2000 14:54:50 -0400
• In-Reply-To: <Pine.GSO.3.96.1000511190738.24024A-100000@tardis.tardis.ed.ac.uk>
• Sender: owner-info-dylan@ai.mit.edu
• User-Agent: Microsoft-Outlook-Express-Macintosh-Edition/5.02.2022

Hugh Greene q@tardis.ed.ac.uk on  2000-05-11 14:15 wrote:

> BTW, the slots you put in a dynamically-created class can given a "type:"
> *or* a "deferred-type:".  In the latter case, the expression for the
> slot's type isn't evaluated until within the first call fto make for that
> class.  Anyone know/think of a use for this?!?

Circular types, e.g., if one of the slots can refer to the type you are in
the middle of creating?

• Re: [FD] creating classes at runtime
• From: Hugh Greene <q@tardis.ed.ac.uk>

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