On Mon 11 Sep, Mark-Jason Dominus wrote:
>
> > (?@foo) is sort of equivalent to (??{join('|',@foo)}), ie it expands into
> > a list of alternatives. One could possible use just @foo, for this.
>
> It just occurs to me that this is already possible. I've written a
> module, 'atq', such that if you write
>
> use atq;
>
> then your regexes may contain the sequence
>
> (?\@foo)
>
> with the meaning that you asked for.
Yes, but is this a very good way to go forward, the use of overload is
"heavy", if somthing might be useful. (See other note about generalised
additions to regexes).
>
> (The \ is necessary here because (?@foo) already has a meaning under
> Perl 5, and I think your proposal must address this.)
(?@foo) has no meaning I checked the code
>
> Anyway, since this is possible under Perl 5 with a fairly simple
> module, I wonder if it really needs to be in the Perl 6 core. Perhaps
> it would be better to propose that the module be added to the Perl 6
> standard library?
The module is small, but this does not mean that adding functionality to the
core is necesarily a bad idea.
Richard
--
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