On 24/05/13 01:04, Ethan Furman wrote:
On 05/23/2013 07:58 AM, Łukasz Langa wrote:
I feel that the PEP should explicitly allow or disallow for the
implementation to accept dispatch on annotations, e.g.:
@func.register
def _(arg: int):
...
versus
@func.register(int)
def _(arg):
...
If the stdlib is still staying out of the annotation business, then it should
not be allowed.
Perhaps it is time to relax that ruling? The standard library acts as a guide
to best practice in Python, and I think that uptake of annotations has been
hurt due to the lack of good examples. Also, anyone with the conceit that their
library or module may someday be in the standard library cannot afford to use
annotations at all.
So I'm tentatively +1 on allowing the annotation form in addition to the
decorator argument form.
--
Steven
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