To: Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [Gnu-arch-users] Re: darcs vs tla
References: <20041107234609.7bf0abfe@delta.hk.office.outblaze.com>
	<tnxlldcbqm1.fsf@arm.com>
Organization: The XEmacs Project
From: "Stephen J. Turnbull" <stephen@xemacs.org>
Date: Mon, 08 Nov 2004 21:03:59 +0900
In-Reply-To: <tnxlldcbqm1.fsf@arm.com> (Catalin Marinas's message of "Mon,
	08 Nov 2004 10:08:06 +0000")
Message-ID: <877jowbl8w.fsf@tleepslib.sk.tsukuba.ac.jp>
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Cc: gnu-arch-users@gnu.org, Timothy Webster <timw@outblaze.com>
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>>>>> "Catalin" == Catalin Marinas <catalin.marinas@arm.com> writes:

    Catalin> A second problem I think is Haskell. Not so many people
    Catalin> can help with coding

Haskell is no harder than Lisp in principle, and if you'll go back in
this list a bit you'll find a thread on Lisp and parentheses where
asuffield makes a really convincing case (to me, anyway) that
Haskell's presentation with minimal parentheses plus the "offsides
rule" is far more readable than Lisp.  I think it's reasonable to
suppose that people who want to help with darcs can learn enough
Haskell to do so.

    Catalin> and it is also much slower than C or C++.  The today's
    Catalin> compilers are not smart enough to optimally deal with
    Catalin> pure functional languages.

Please confirm it's possible to compile darcs, and which compiler you
used.  I heard recently that darcs is strongly dependent on Hugs98,
which is an interpreter.  Seemed a little odd (Haskell98 is a
well-defined language, and Hugs doesn't have all that much in the way
of extensions), but that's what I heard.

    Catalin> While darcs is a nice research project, my recommendation
    Catalin> would be to stay with arch, at least until you hear
    Catalin> somebody happily using darcs with a huge source tree like
    Catalin> the Linux kernel.

I wouldn't go so far as that, but certainly I'd say to investigate
experience with a tree 3X as big as your current one, to give room to
grow while darcs does!

-- 
Institute of Policy and Planning Sciences     http://turnbull.sk.tsukuba.ac.jp
University of Tsukuba                    Tennodai 1-1-1 Tsukuba 305-8573 JAPAN
               Ask not how you can "do" free software business;
              ask what your business can "do for" free software.


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