From: Chris Hecker <checker@d6.com>
To: "Krishnaswami, Neel" <neelk@cswcasa.com>, caml-list@inria.fr
Subject: Re: [Caml-list] Dequeues (was Generation of streams is slow)
Date: Fri, 20 Jul 2001 11:49:36 -0700 [thread overview]
Message-ID: <4.3.2.7.2.20010720114757.027ffe80@shell16.ba.best.com> (raw)
In-Reply-To: <B1E4D3274D57D411BE8400D0B783FF322E8672@exchange1.cswv.com>
>The usual argument for them is that there's a strong temptation
>to avoid proper data abstraction in ML because pattern-matching
>is so convenient, and the usual argument against them is that
>they make estimating the performance costs of pattern-matching
>impossible, since a match could be an arbitrarily expensive
>function call.
I've seen this "argument against" a number of times before on this list (like when people wanted constants in patterns), and I don't understand it. What's the rationale for trying to protect the programmer from making slow code at the expense of useful and expressive features?
Chris
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next prev parent reply other threads:[~2001-07-20 18:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-20 13:21 Krishnaswami, Neel
2001-07-20 18:49 ` Chris Hecker [this message]
2001-07-20 19:08 ` [Caml-list] Views Chris Hecker
2001-07-21 4:50 ` [Caml-list] Dequeues (was Generation of streams is slow) Brian Rogoff
2001-07-21 5:03 ` [Caml-list] indent 2 Alexander V. Voinov
2001-07-21 11:09 ` Pierre Weis
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