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PEP 484: Do not require type checkers to treat a None default specially #689

Merged
merged 2 commits into from
Jul 10, 2018
Merged

PEP 484: Do not require type checkers to treat a None default specially #689

merged 2 commits into from
Jul 10, 2018

Commits on Jul 1, 2018

  1. Do not require type checkers to treat a None default specially 

    Following discussion in python/typing#275, there is a consensus that it is better to require optional types to be made explicit. This PR changes the wording of PEP 484 to allow, but not require, type checkers to treat a None default as implicitly making an argument Optional.
    @JelleZijlstra
    JelleZijlstra authored Jul 1, 2018
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Commits on Jul 10, 2018

  1. Be more explicit that we're moving away from implicit optional

    @JelleZijlstra
    JelleZijlstra authored Jul 10, 2018
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