Re: Comment on "Allow both xs:base64Binary and xs:hexBinary as arguments" from Michael Kay on 2013-07-04 (public-expath@w3.org from July 2013)

From: Michael Kay <mike@saxonica.com>
Date: Thu, 4 Jul 2013 14:29:13 +0100
To: Jirka Kosek <jirka@kosek.cz>
Cc: Florent Georges <fgeorges@fgeorges.org>, Christian Grün <christian.gruen@gmail.com>, EXPath CG <public-expath@w3.org>
Message-Id: <D71A454E-718E-48EA-A5F2-EB96E3035633@saxonica.com>

> 
> 
> 
> Declaring return type as anyAtomicType but requiring in prose text to be
> it base64Binary doesn't seem much useful. The difference is that for
> input parameters we want flexibility of accepting both binary types as
> we don't know what types stylesheet author needs to process.
> 
> For output (return) value we are fine with just one type as it can be
> accepted by any other function on input. I'm not sure whether I was able
> to explain it in a digestible form, though.
> 

I agree. It's better for the return type to be predictable than for the user to have to check to see what's been returned.

Michael Kay
Saxonica

Received on Thursday, 4 July 2013 13:29:42 UTC