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Message-ID: <3EAE1FA8.6060609@stud.uni-graz.at>
Date: Tue, 29 Apr 2003 08:46:00 +0200
From: Siegfried Gonzi <siegfried.gonzi@stud.uni-graz.at>
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To: brogoff@speakeasy.net
Cc: "caml-list@inria.fr" <caml-list@inria.fr>
Subject: Re: [Caml-list] Easy solution in OCaml?
References: <Pine.LNX.4.44.0304281040580.19040-100000@grace.speakeasy.net>
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brogoff@speakeasy.net wrote:

>
>
>Perhaps the question could go back to the Clean designers too. Why are they 
>worried about two measly keywords? My evil twin suggests that it's the 
>well known Dutch frugality at work. I suspect that since Clean is lazy 
>and was originally a lower level language, they just didn't include it. 
>
>I agree with Markus that if-then-else is nicer to read. Haskell get's this one 
>right over Clean. 
>

I know different strokes for different people but I do not see why 
if-then should be easier to read. An excertp from a Haskell manual:

==
When many choices have to made guards 
<http://www.cs.uu.nl/%7Eafie/haskell/tourofsyntax.html#Guards> can come 
in handy. Instead of:

	kindOfChar :: /Char -> String/
	kindOfChar c = 
	  if isLower c 
	  then "lower" 
	  else if isUpper c 
	       then "upper" 
	       else if isDigit c 
	            then "digit" 
	            else "other"

you can write:

	kindOfChar :: /Char -> String/
	kindOfChar c
	  | isLower c = "lower"
	  | isUpper c = "upper"
	  | isDigit c = "digit"
	  | otherwise = "other"
==

S. Gonzi



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