20 lines
477 B
Python
20 lines
477 B
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
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from bu4.evaluation.av.envtype import envtype
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from bu4.evaluation.constructs.enull import ENull
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from bu4.evaluation.constructs.evaluable import Evaluable
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from bu4.linking.constructs.linked import Linked
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__all__ = ('LNull',)
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class LNull(Linked):
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def __init__(self):
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self.future = set()
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def evaluable(self, env: envtype) -> Evaluable:
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return ENull()
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def __str__(self):
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return '?'
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