[issue32427] Rename and expose dataclasses._MISSING

[Eric V. Smith]

Change by Eric V. Smith :


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status: open -> closed

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[issue32427] Rename and expose dataclasses._MISSING

[Eric V. Smith]

Change by Eric V. Smith :


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resolution:  -> fixed
stage: patch review -> resolved
type:  -> behavior

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[issue32427] Rename and expose dataclasses._MISSING

[Eric V. Smith]

Eric V. Smith  added the comment:


New changeset 03220fdb26c0b6a50ce5ed1fdfbf232094b66db6 by Eric V. Smith in 
branch 'master':
bpo-32427: Expose dataclasses.MISSING object. (#5045)
https://github.com/python/cpython/commit/03220fdb26c0b6a50ce5ed1fdfbf232094b66db6


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[issue32427] Rename and expose dataclasses._MISSING

[Eric V. Smith]

Change by Eric V. Smith :


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keywords: +patch
pull_requests: +4926
stage:  -> patch review

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[issue32427] Rename and expose dataclasses._MISSING

[Eric V. Smith]

New submission from Eric V. Smith :

There are occasions where you want to know the missing value, such as 
introspection and in cases like: Field(default=a if a is not None else 
_MISSING).

I'll rename _MISSING to MISSING.

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assignee: eric.smith
components: Library (Lib)
messages: 309063
nosy: eric.smith
priority: normal
severity: normal
status: open
title: Rename and expose dataclasses._MISSING
versions: Python 3.7

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