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Article #358

Re: Impact of FPL's on OS design?

#358
From: Chris Dollin
Date: Wed, 18 Jul 1990 07:11
19 lines
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Tom Thomson says (among other things):

   (v) Type systems in functional languages are far too simple-minded; can't
    handle polymorphism unless it's parametric polymorphism with all 
    parameters resolvable at compile time. (If only the functional people,
    the OO people, and the type-theory people would talk to each other; again
   Haskell has made a step forwards, but it's a smal one ).

A language need not have a compile-time type system to be functional. Indeed,
early languages like SASL and KRC (and EL Ziro, which is the language I
implemented for my thesis lo! those many years ago) were dynamically typed.

I've gone off strict compile-time type-checking since I started using
dynamically-typed languages. See how easy it is to get corrupted?
--

Regards, Kers.      | "You're better off  not dreaming of  the things to come;
Caravan:            | Dreams  are always ending  far too soon."
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From: kers@hplb.hpl.hp.com (Chris Dollin)
Newsgroups: comp.lang.functional
Subject: Re: Impact of FPL's on OS design?
Message-ID: <KERS.90Jul18081104@cdollin.hpl.hp.com>
Date: 18 Jul 90 07:11:04 GMT
References: <2189@dali> <43178@cornell.UUCP> <3209@stl.stc.co.uk>
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