[Python-ideas] keyword arguments everywhere (stdlib) - issue8706
pyideas at rebertia.com
Sat Mar 3 01:01:08 CET 2012
On Fri, Mar 2, 2012 at 3:42 PM, Nick Coghlan <ncoghlan at gmail.com> wrote:
> On Sat, Mar 3, 2012 at 5:28 AM, Guido van Rossum <guido at python.org> wrote:
>> I would actually like to see a syntactic feature to state that an
>> argument *cannot* be given as a keyword argument (just as we already
>> added syntax to state that it *must* be a keyword).
> I currently write such code as:
> def f(*args):
> arg1, arg2, arg3 = args
> This gives rubbish error messages when the caller makes a mistake, but it works.
> The obvious syntactic alternative is allowing tuple expansion
> specifically for *args:
> def f(*(arg1, arg2, arg3)):
> Then the interpreter would have enough info to still generate nice
> error messages, and we don't have to invent much in the way of new
Kinda incongruous with PEP 3113 though.
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