Class BareMappingLike

tests/test_stl.py:649–660

    # Implements the Mapping protocol without explicitly inheriting from collections.abc.Mapping.
    class BareMappingLike:
        def __init__(self, **kwargs):
            self.data = dict(kwargs)

        def __len__(self):
            return len(self.data)

        def __getitem__(self, key):
            return self.data[key]

        def __iter__(self):
            yield from self.data

    # Implements the Mapping protocol by reusing BareMappingLike's implementation.
    # Additionally, inherits from collections.abc.Mapping.