XQuery needs to prohibit variable redefinitionMichael Kay mhk at mhk.me.uk
Fri Jul 16 01:56:53 PDT 2004
For the record, here is Dimitre Novatchev's take on the issue (expressed in XSLT terms): http://lists.w3.org/Archives/Public/public-qt-comments/2004Feb/0111.html Michael Kay > -----Original Message----- > From: kent tegels [mailto:http://xquery.com/mailman/listinfo/talk] > Sent: 15 July 2004 23:59 > To: 'Per Bothner'; 'Michael Kay' > Cc: http://xquery.com/mailman/listinfo/talk > Subject: RE: XQuery needs to prohibit variable > redefinition > > I have a different view on the issue, but I don't want debate > that here. If > you're interest, its at. > http://sqljunkies.com/WebLog/ktegels/archive/2004/07/15/3512.aspx > > Yet another reason I can't wait for Michael's book to get done. > > -----Original Message----- > From: http://xquery.com/mailman/listinfo/talk > [mailto:http://xquery.com/mailman/listinfo/talk] On Behalf Of > Per Bothner > Sent: Thursday, July 15, 2004 5:09 PM > To: Michael Kay > Cc: http://xquery.com/mailman/listinfo/talk > Subject: Re: XQuery needs to prohibit variable > redefinition > > Michael Kay wrote: > > >>There is no reason why the Core Language can't allow redefinitions, > >>even if the User Language doesn't. > >> > >>After all, the names added by Normalization are in the 'fs' > namespace, > >>which users can't access anyway. > > > > > > You're preaching to the choir. > > I suspected that. But do you think there is any chance we can get the > committee to reconsider? We do have new data: that many of > the beginner > questions we get on this list are the result of confusing > declarations with > assignments. This is a problem. > Prohibiting redeclarations isn't a full solution, but at > least it enables > the compiler to reject many of these erroneous programs. > -- > --Per Bothner > http://xquery.com/mailman/listinfo/talk http://per.bothner.com/ > _______________________________________________ > http://xquery.com/mailman/listinfo/talk > http://xquery.com/mailman/listinfo/talk > >
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