Add support for TypeIs (PEP 742) #330
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I picked the name TypeNarrower, but it's very possible that we'll eventually end up with a different name. That could raise problems for backwards compatibility in typing-extensions, but I think it's fine: we'd simply rename TypeNarrower to the new name, and keep around TypeNarrower as an alias indefinitely. |
srittau
approved these changes
Feb 9, 2024
JelleZijlstra
changed the title
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Cross-linking python/peps#3649.