On Jul 16, 2007, at 9:55 AM, Robin Lee Powell wrote:
On Mon, Jul 16, 2007 at 12:12:27PM +0200, felix winkelmann wrote:
A quick and dirty implementation of T's
(http://mumble.net/~jar/tproject/) object system
Wow. What an amazing mess, including that the "T Revival" page
linked to near the top has been taken down.
Before I kill myself trying to figure out WTH that page is about
just because Felix thinks it's cool (which is sufficient reason, for
the most part, but still) can anyone give me a precis of why this is
interesting?
Not sure "cool" is the word, it is of historical interest. T was
Yale's implementation of Scheme, sort-of. It was a much larger
language than what Scheme was at that time. A "real-world"
implementation of Scheme.
The T object system is a clear extension of the "generic" functions
found in Scheme, like '+' for example. It is much more lightweight
than CLOS generic functions. Single-dispatch only, but that fits with
the usual semantics of Scheme functions - they usually deal with
parameters of the same "class", like numbers.
In the context of Chicken see it as Yet Another Object System.
I doubt T will have a "revival." In practice it has been eclipsed by
MzScheme, Chez Scheme, Chicken, etc. All of which provide a
programming system larger than basic Scheme. (And it had
idiosyncrasies of its' own. If you can find a copy of "The T
Programming Language" it is worth a look.)
Best Wishes,
Kon
-Robin
--
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
Reason #237 To Learn Lojban: "Homonyms: Their Grate!"
Proud Supporter of the Singularity Institute - http://singinst.org/
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