On Fri, Apr 16, 2010 at 8:35 AM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Guido van Rossum, 16.04.2010 16:33:
>>
>> I am fine with
>> declaring dict({}, **{1:3}) illegal, since after all it is abuse of
>> the ** mechanism.
>
> It's a bit like letting keys like 'not-an-identifier' pass through, though,
> isn't it?
Not really. It's hard to imagine(*) an implementation that naturally
can represent strings that look like identifiers but not other strings
-- typically, "identifier-ness" must be explicitly checked. But it's
easy to imagine an implementation that only allows strings and not
other values.
___
(*) I didn't say impossible. I don't really care about any
counter-examples you may come up with -- in practice they don't
matter. But the type *does* matter in practice.
--
--Guido van Rossum (python.org/~guido)
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