Re: [xsl] [XPath 3.0] Why should I bother specifying the "arity" of a function that I invoke?

[Michael Kay <mike@xxxxxxxxxxxx>]

On 31/10/2012 22:09, Costello, Roger L. wrote:
> >   concat#3 is an expression that returns a function item.
> So is concat#3 equivalent to this partial function application:
>
>       concat(?, ?, ?)
>
> If yes, when is one preferred over the other?

With a zero-arity function partial function application isn't available. 
In all other cases they're equivalent.

Michael Kay
Saxonica