From: Francis Dupont <Francis.Dupont@fdupont.fr>
To: skaller <skaller@users.sourceforge.net>
Cc: "O'Caml Mailing List" <caml-list@inria.fr>
Subject: Re: [Caml-list] strict?
Date: Thu, 03 Aug 2006 09:08:52 +0200 [thread overview]
Message-ID: <200608030708.k7378r8t003721@tao.fdupont.fr> (raw)
In-Reply-To: Your message of Thu, 03 Aug 2006 15:13:25 +1000. <1154582005.8167.68.camel@rosella.wigram>
In your previous mail you wrote:
Clearly the Wikipedia definition of strict:
f(bottom) = bottom
is rubbish when applied to a mathematical function like 'sin',
since bottom isn't a valid argument, but it makes sense
for 'sin' in the programming language sense.
=> as a student many years ago of the inventor of the "strictness" concept
I don't understand your statement: a strict function is simply a function
which uses its argument. In semantics this is caught by f(bottom) = bottom
where bottom is a semantics value (not a real one) so by definition always
a valid argument.
Regards
Francis.Dupont@fdupont.fr
PS: the inventor is Jean Vuillemin and of course the strictness concept
is central in the evaluation strategies.
next prev parent reply other threads:[~2006-08-03 7:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-03 5:13 strict? skaller
2006-08-03 7:08 ` Francis Dupont [this message]
2006-08-03 20:17 ` [Caml-list] strict? skaller
2006-08-03 7:29 Alexander Bottema
2006-08-03 20:56 ` skaller
2006-08-04 18:03 ` Alan Falloon
2006-08-05 1:19 ` skaller
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