Subject: Re: [xsl] () eq () vs () = () From: Michael Kay <mike@xxxxxxxxxxxx> Date: Sat, 01 Oct 2011 20:47:31 +0100 |
That works for atomic values (with the exception of NaN) but not for nodes (my mistake in my last post!). Using XQuery notation:Is it fair to say deep-equal could mean:deep-equal(A, B) means (count(A) eq count(B) and every $i in 1 to count(A) satisfies A[$i] eq B[$i]). Therefore deep-equal((), ()) is true.
every $i in 1 to max((count(A), count(B))) satisfies A[$i] eq B[$i]
which would then return false, as its only the length check that is causing it to return true (and thats only there to avoid also checking every item in B is equal to A)
Michael Kay Saxonica
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