Re: [Qexo-general] nop operator

[Per Bothner]

Francois Leygues wrote:

> I didnt see you preceeding response on the mailing list, so I repost.
> with last version available at this date.
>
> Lets define a kind of nop operator:
>
> define function x(){<a x="0"><a x="1"/><a x="2"/></a>}
> define function  s($x){<a x="{$x/string(@x)}">{for $n in $x/a return <a 
> x="{$n/string(@x)}"/>}</a>}
>
> s(t()) returns
> <a x="0"><a x="1" /><a x="2" /></a>
>
> and
>
> s(s(t())) returns
> <a x="0"><a x="1" /><a x="2" /></a>
>
> and s(s(s(t())))/a/@x returns
> x="1" x="2"
>
>
> it workz! (it doesnt before...)
> I can now perform successive transformations on xml trees.
> Thanks !

I just checked in a sort-of fix.  It's not a clean fix, since
it makes gnu.lists depend on gnu.xml - which will break if anyone
tried to configued kawa with --disable-xml.
--
        --Per Bothner
address@hidden   http://per.bothner.com/