Hello,
On Thu, 12 Nov 2020 20:19:13 +0000
MRAB <pyt...@mrabarnett.plus.com> wrote:
[]
> > Question of "what to mark with sigils - terms-used-as-values or
> > terms-used-for-capturing" is orthogonal to the question of "what to
> > use as match-all symbol", though I understand the desire to
> > repurpose the same symbol for both.
> >
> > For a capturing sigil, "->", ">", ">>", "@", "?", "$" already were
> > or can be proposed. The benefit of "->", ">", ">>" is that they're
> > very intuitive. I'd also have preference for shorter one, because
> > 2-chars are really verbose IMHO. OTOH, ">" has issue with parsing
> > ambiguity unless separated by spaces ("Cls(kw1=>var)"). "$" is the
> > worst choice IMHO, because intuitively (based on other languages -
> > shell, etc.) it says "use the value of variable".
> >
> I'd still want to list "as" as another possibility, the advantage
> being that it's already used for binding elsewhere.
Well, the whole idea is that ">foo" syntax is a shortcut of "_ as foo"
syntax of PEP634 or "foo := _" of PEP622. Such syntaxes otherwise would
be rather verbose, why syntactic sugar for them would be beneficial.
--
Best regards,
Paul mailto:pmis...@gmail.com
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