Re: [xsl] What is the Core of XSLT?

Subject: Re: [xsl] What is the Core of XSLT?
From: Dimitre Novatchev <dnovatchev@xxxxxxxxx>
Date: Sat, 29 Mar 2014 19:08:49 -0700
On Sat, Mar 29, 2014 at 6:46 PM, Abel Braaksma (Exselt) <abel@xxxxxxxxxx> wrote:
> So simple! I hate it that I didn't think of that myself :). Creative
> programming, and still elegant, very nice!

Glad that we agree the kernel doesn't need any XSLT conditional instruction.

In a previous message you mentioned that  "Unfortunately, XSLT does
not have a notion of polymorphism".

This isn't exactly true.  Polymorphism is implemented in the XSLT
processing model based on the concept of applying templates.

While the body of an <xsl:if> or <xsl:when> or <xsl:otherwise> is
hardcoded and known, when we write <xsl:apply-templates> we don't know
what template will be selected for execution and what its body will
contain. Indeed this template may be written years after we wrote the
<xsl:apply-templates>. This is quite similar to virtual methods in OOP
and has the same effect. This is how XSLT implements polymorphism.

Dimitre Novatchev
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