Datasets:

SwashBuckler001
/

idiombench

from typing import runtime_checkable, Protocol

@runtime_checkable
class SupportsClose(Protocol):
    def close(self):
        ...

assert isinstance(open('some/file'), SupportsClose)

	from typing import runtime_checkable, Protocol

	@runtime_checkable
	class SupportsClose(Protocol):
	def close(self):
	...

	assert isinstance(open('some/file'), SupportsClose)