Datasets:

SwashBuckler001
/

idiombench

from typing import Optional, List, Protocol

class Combiner(Protocol):
    def __call__(self, *vals: bytes,
                 maxlen: Optional[int] = None) -> List[bytes]: ...

def good_cb(*vals: bytes, maxlen: Optional[int] = None) -> List[bytes]:
    ...
def bad_cb(*vals: bytes, maxitems: Optional[int]) -> List[bytes]:
    ...

comb: Combiner = good_cb  # OK
comb = bad_cb  # Error! Argument 2 has incompatible type because of
               # different name and kind in the callback

	from typing import Optional, List, Protocol

	class Combiner(Protocol):
	def __call__(self, *vals: bytes,
	maxlen: Optional[int] = None) -> List[bytes]: ...

	def good_cb(*vals: bytes, maxlen: Optional[int] = None) -> List[bytes]:
	...
	def bad_cb(*vals: bytes, maxitems: Optional[int]) -> List[bytes]:
	...

	comb: Combiner = good_cb # OK
	comb = bad_cb # Error! Argument 2 has incompatible type because of
	# different name and kind in the callback