[xquery-talk] XQuery quirk of the day
David Carlisle
davidc at nag.co.uk
Fri Apr 13 12:58:46 PDT 2012
On 13/04/2012 20:09, David Lee wrote:
> XQuery constantly surprises me !
>
> Today I was looking for a more concise way of testing if a string is
> empty or blank.
>
not sure what you mean by blank, I thought you meant white space,
but looking at your code fragment, I think you meant empty sequence
boolean(string($s))
is false if $s is () or "" and true for any other string value.
David
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