From: Anton Moscal <msk@post.tepkom.ru>
To: Pierre Weis <Pierre.Weis@inria.fr>
Cc: Brian Rogoff <bpr@best.com>, caml-list@inria.fr
Subject: Re: Array interface question
Date: Sat, 23 Jan 1999 13:47:10 +0300 (MSK) [thread overview]
Message-ID: <Pine.LNX.4.03.9901231346190.9012-100000@post.tepkom.ru> (raw)
In-Reply-To: <199901221921.UAA10085@pauillac.inria.fr>
On Fri, 22 Jan 1999, Pierre Weis wrote:
> > Why is there no creation function which does not take a default
> > value for filling the array?
> [...]
> >
> > -- Brian
>
> This is due to the coexistance in Caml of polymorphism and mutable
> values. The system would be unsafe if we were able to allocate
> polymorphic mutable values (those mutable values could be filled
> afterwards with values of unrelated types, and hence would break the
> homogeneous sequence nature of arrays, and then may be read back with
> types unrelated to their proper types).
Other reason for immediate arrays initialization is garbage collection, I
think.
Anton
next prev parent reply other threads:[~1999-01-24 14:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-22 19:10 Brian Rogoff
1999-01-22 19:21 ` Pierre Weis
1999-01-22 20:05 ` Brian Rogoff
1999-01-23 10:47 ` Anton Moscal [this message]
1999-01-23 10:57 ` David Monniaux
1999-01-24 15:44 ` Jerome Vouillon
1999-01-24 21:36 ` Pierre Weis
1999-01-28 19:57 ` Brian Rogoff
1999-01-23 14:00 ` Size of arrays Juan Jose Garcia Ripoll
1999-01-24 22:31 ` Pierre Weis
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