[issue39442] from __future__ import annotations makes dataclasses.Field.type a string, not type

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

> Should `dataclass.Field.type` become a property that evaluates the annotation at runtime much in the same way that `get_type_hints` works?

I think not. But maybe a function that evaluates all of the field types. Or maybe an @dataclass parameter to cause it to happen at definition time.

At this point, this seems more like fodder for python-ideas.

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<https://bugs.python.org/issue39442>
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