51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
"""
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The MIT License (MIT)
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Copyright (c) 2015-present Rapptz
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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"""
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__all__ = (
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'EqualityComparable',
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'Hashable',
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)
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class EqualityComparable:
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__slots__ = ()
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id: int
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def __eq__(self, other: object) -> bool:
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return isinstance(other, self.__class__) and other.id == self.id
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def __ne__(self, other: object) -> bool:
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if isinstance(other, self.__class__):
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return other.id != self.id
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return True
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class Hashable(EqualityComparable):
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__slots__ = ()
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def __int__(self) -> int:
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return self.id
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def __hash__(self) -> int:
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return self.id >> 22
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