[issue43977] Implement the latest semantics for PEP 634 for matching collections

[Mark Shannon]

New submission from Mark Shannon <mark at hotpy.org>:

PEP 634 has been updated to allow a faster and more robust implementation of matching sequences and mappings: https://github.com/python/peps/pull/1937

It needs to be implemented.

----------
assignee: Mark.Shannon
messages: 392330
nosy: Mark.Shannon
priority: high
severity: normal
status: open
title: Implement the latest semantics for PEP 634 for matching collections

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43977>
_______________________________________