Serhiy Storchaka <[email protected]> added the comment:
No, List[42] is not currently accepted.
>>> List[42]
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/serhiy/py/cpython/Lib/typing.py", line 318, in inner
return func(*args, **kwds)
^^^^^^^^^^^^^^^^^^^
File "/home/serhiy/py/cpython/Lib/typing.py", line 1127, in __getitem__
params = tuple(_type_check(p, msg) for p in params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/serhiy/py/cpython/Lib/typing.py", line 1127, in <genexpr>
params = tuple(_type_check(p, msg) for p in params)
^^^^^^^^^^^^^^^^^^^
File "/home/serhiy/py/cpython/Lib/typing.py", line 184, in _type_check
raise TypeError(f"{msg} Got {arg!r:.100}.")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: Parameters to generic types must be types. Got 42.
----------
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Python tracker <[email protected]>
<https://bugs.python.org/issue46644>
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