PEP 661: Sentinel values, has been accepted 5 years later

PEP 661: Sentinel values, has been accepted 5 years later(peps.python.org)

5 points by azhenley 19 days ago | 1 comment

wjholden 16 days ago |

I think Python might be the first language to adopt a named sentinel value type. Has anyone seen a design like this in any other programming language?

wjholden 16 days ago |

I think Python might be the first language to adopt a named sentinel value type. Has anyone seen a design like this in any other programming language?