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From: Marius Vollmer <marius.vollmer@uni-dortmund.de>
Subject: Re: Uniform vectors, user survey
Date: Fri, 05 Nov 2004 18:01:39 +0100	[thread overview]
Message-ID: <lj654knsb0.fsf@troy.dt.e-technik.uni-dortmund.de> (raw)
In-Reply-To: <lju0s5o689.fsf@troy.dt.e-technik.uni-dortmund.de> (Marius Vollmer's message of "Thu, 04 Nov 2004 18:48:38 +0100")

Marius Vollmer <marius.vollmer@uni-dortmund.de> writes:

> - vector? will be true for all zero-origin, one-dimensional arrays,

I will not do this right away, since I can't really convince myself
that this is the Right Thing.

There will first be vectors, strings, bit vectors, and uniform numeric
vectors; and all will be disjoint.  Together, they might be called
'generalized vector types'.

Then there will be arrays, which will include all the generalized
vector types, and more (such as non-zero origin 'vectors', and
multi-dimensional arrays.)  Arrays can use any one of the generalized
vector types for their storage, and the array procedures will work
with strict arrays and with any of the generalized vector types.

[ Incidentally, vector-length, vector-ref, and vector-set are
  primitive generics right now, and one can thus add methods to them
  for new types.  But vector? remains unaffected by that, and of
  course the existing C API will not work with these extended vector
  types...
]

Later we might want to arrange the genralized vector types
differently.

OK?


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  reply	other threads:[~2004-11-05 17:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-22 14:19 Uniform vectors, user survey Marius Vollmer
2004-10-23 14:02 ` Neil Jerram
2004-10-24 16:04 ` Mikael Djurfeldt
2004-10-25 18:08 ` Stephen Compall
2004-10-25 18:34   ` Peter Christopher
2004-10-25 19:51     ` Ludovic Courtès
2004-10-25 22:00 ` Mike Gran
2004-10-26  2:50 ` Steve Tell
2004-11-04 17:48 ` Marius Vollmer
2004-11-05 17:01   ` Marius Vollmer [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-10-26  3:03 Roland Orre

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