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Re: [xsl] "Higher Order Functions for XQuery" -- static context and focus
Subject: Re: [xsl] "Higher Order Functions for XQuery" -- static context and focus From: Florent Georges <lists@xxxxxxxxxxxx> Date: Fri, 4 Sep 2009 12:52:39 +0000 (GMT) |
John Snelson wrote: > Florent Georges wrote: Hi John, > > I am not sure to understand what does "the static type of > > the focus" mean. The focus is a component of the dynamic > > context, and I am not sure "type" is used here as in the rest > > of the RECs. > I think this should probably read "static type of the context > item". Then the sentence "the static type of the focus (context item, context position, and context size)" is misleading, as we know the type of the position and the size ;-) And if we speak about the static type of the context item, I guess this is related to static analysis... > > I guess I missed the point behind this choice. Any idea? > It's for consistency with the rest of XQuery / XSLT 2.0, where > the focus (context item, position, and size) are initially > undefined in a user defined function. So the goal is to say "the focus in the dynamic context is initally undefined in the body of an inline function," if I am right. > Arguments as to whether that's a good restriction are a > different can of worms altogether :-). I won't take that discussion path right now ;-) Regards, -- Florent Georges http://www.fgeorges.org/
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