Re: anonymous functions? anonymous variables

On Sun, Aug 16, 2020 at 1:43 PM Dimitre Novatchev <[email protected]>
wrote:

> > I have to write
> >
> >    function ($k, $v) {$v}
> >
> >    instead of something like
> >
> >    function (_,$v) {$v}
>
> What is the rationale to have the signature of the function contain an
> unreferenced argument? Why not use just:
>
>   function ($v)  { (: Expr :)}
>
>
It may be a constraint imposed by the context in which the function is
being used. See for example
https://www.w3.org/TR/xslt-30/#func-map-for-each where
the function supplied must have two arguments whereas the use case only
requires the use of one.

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