On 12/20/2017 6:57 PM, Mike Miller wrote:
On 2017-12-19 02:53, Paul Moore wrote:
Also, the fact that no-one raised this issue during the whole time the
PEP was being discussed (at least as far as I recollect) and that
Guido (who of all of us should be most aware of what is and isn't
acceptable use of annotations in the stdlib) approved the PEP,
suggests to me that this isn't that big a deal.
Hi, I asked about this in the first posting of the PEP and agree with
Chris.
https://mail.python.org/pipermail/python-dev/2017-September/149406.html
There is definitely a passive bias towards using types with dataclasses
in that the Eric (the author) doesn't appear to want an example without
them in the pep/docs.
I'm not sure what such an example would look like. Do you mean without
annotations? Or do you mean without specifying the "correct" type, like:
@dataclass
class C:
x: int = 'hello world'
?
Or something else?
Can you provide an example of what you'd like to see?
It seems that typing proponents are sufficiently enamored with them that
they can't imagine anyone else feeling differently, haha.
I've never used typing or mypy, so you're not talking about me. I do
like the conciseness that annotations bring to dataclasses, though. If
you buy that (and you might not), then I don't see the point of not
using a correct type annotation.
Eric.
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