Subject: Re: [xsl] expression syntax From: "M. David Peterson" <m.david@xxxxxxxxxx> Date: Mon, 15 Nov 2004 08:34:54 -0800 |
me>test="@foo=1"
me>
me>is false if the source has foo="1.0"
me>
me>but me>
me>test="number(@foo)=1"
me>
me>would be true in that case.
me> me>
you>again, this brings in to light the purpose of the function...
probably did, although actually the example is completely wrong:-)
comparsion of a node set to a number is one place where number() _is_ implictly applied so @foo=1 is exactly the same as number(@foo)=1
A better example would be comparing two attributes
@foo = ../@foo
would be false if
this node had foo="1" and its parent had foo="1.0"
as the default is string comparison but
number(@foo) = number(../@foo)
or even just one side, eg:
number(@foo) = ../@foo
would force numeric comparison so then 1.0 and 1 would be equal.
David
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