I gave a longer example, but the short version is that I cannot tell from the Class Pattern or Runtime section how class patterns interact with properties (i.e. when access changes state).

On Wed, Jun 24, 2020, 3:45 PM Guido van Rossum <guido@python.org> wrote:
Everyone,

If you've commented and you're worried you haven't been heard, please add your issue *concisely* to this new thread. Note that the following issues are already open and will be responded to separately; please don't bother commenting on these until we've done so:

- Alternative spellings for '|'
- Whether to add an 'else' clause (and how to indent it)
- A different token for wildcards instead of '_'
- What to do about the footgun of 'case foo' vs. 'case .foo'

(Note that the last two could be combined, e.g. '?foo' or 'foo?' to mark a variable binding and '?' for a wildcard.)

--
--Guido van Rossum (python.org/~guido)
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