Subject: Re: how to increment a variable in a for-each loop
From: David Carlisle <davidc@xxxxxxxxx>
Date: Wed, 23 Jan 2002 22:30:17 GMT
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> I wonder if any one knows how to increment a variable
> value in a for-each loop just like in other
> programming languages.
As is the case with other declarative languages, you can not change the
value of a variable once it is bound.
> I need to check this value so
> that I can change the background color for every other
> column in a table.
This is a FAQ (an an example in the spec) just use the value of
position() mod 2
will will be either 0 or 1 as you go through the loop.
David
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