28 lines
874 B
Python
28 lines
874 B
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
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from bu4.evaluation.constructs.attachable import Attachable
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from bu4.evaluation.constructs.eattachable import EAttachable
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from bu4.evaluation.constructs.evaluable import Evaluable
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from bu4.evaluation.constructs.evalue import EValue
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from bu4.indexing.evaluation.eivtype import eivtype
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from bu4.indexing.evaluation.lambdaeiv import LambdaEiv
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__all__ = ('EILambda',)
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class EILambda(EValue):
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def __init__(self, ev: eivtype, value: Attachable[eivtype], *, memoize: bool):
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self.ev = ev
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self.value = value
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self.memoize = memoize
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def call(self, argument: Evaluable) -> Evaluable:
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ev: eivtype = LambdaEiv(self.ev, argument, memoize=self.memoize)
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return EAttachable(
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ev,
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self.value
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)
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def __str__(self):
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return f'(0){self.value}'
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