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from typing import NewType T = NewType('T', str) match 'test': case T(): ...
fails with:
Traceback (most recent call last): File "/tmp/foo.py", line 6, in <module> case T(): ... ^^^ TypeError: called match pattern must be a type
The error message is confusing because T
is a type. The error message should probably say class
instead of type
, since as per the specification it's a class pattern.