Re: Problem with "except" operator

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Subject: Re: Problem with "except" operator
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Wed, 11 Feb 2009 12:17:21 -0500

Ken writes:

... but I'm still a fan of "=" and "!=", even if I mistype when rushing a volunteer answer on a mail list. You aren't the only one who gets caught out.

And David writes:

that rule is a bit complicated and easy to break as the usual problem is
that one of the arguments  evaluates to a sequence of more than one when
you expect or "know" that it wont:-)

So I think it's easier to use a simpler rule:

never use !=

So while, in Ken's library, gkh:a-fan-of('=') and gkh:a-fan-of('!=') both return true(), in David's, dc:a-fan-of('!=') returns false().

My processor happens to work like David's in this case (though like Ken I know smart people for whom both return false()).

Cheers,
Wendell


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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
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Re: Problem with "except" operator, (continued)

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Re: Problem with "except" ope, David Carlisle	Thread	Re: Problem with "except" ope, Andrew Welch
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