Use PEP 661 (sentinels) in the standard library
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@JelleZijlstra 已经在做这个了。
开始于 2026年4月28日。
stdlib
type-refactor
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描述
Feature or enhancement
Proposal:
I just merged support for PEP-661, which adds the new sentinel() builtin. Let's use it in the standard library so we can simplify some code and stress-test the feature.
We'll have to be careful to preserve compatibility with features such as repr() and boolean values.
Has this already been discussed elsewhere?
No response given
Links to previous discussion of this feature:
No response
Linked PRs
- gh-149084
- gh-149086
- gh-149088
- gh-149176
- gh-149213
- gh-149536
- gh-149591
- gh-149592
- gh-149612
- gh-149613
- gh-149653
- gh-151017
- gh-155919
- gh-155927
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