33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
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__all__ = ('PLambda',)
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from bu4.linking.constructs.llambda import LLambda
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from bu4.linking.states.afterlinking import AfterLinking
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from bu4.linking.states.linkingfinished import LinkingFinished
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from bu4.linking.states.linkingparsed import LinkingParsed
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from bu4.linking.states.linkingstate import LinkingState
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from bu4.linking.targets.allambda import ALLambda
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from bu4.parsing.constructs.parsed import Parsed
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class PLambda(Parsed):
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def __init__(self, name: bytes, value: Parsed):
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self.name = name
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self.value = value
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def link(self, promise: set[bytes]) -> LinkingState:
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assert self.name not in promise, f'overloaded: {self.name}'
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return AfterLinking(
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LinkingParsed(
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promise | {self.name},
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self.value
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),
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ALLambda(
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lambda value: LinkingFinished(LLambda(
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self.name,
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value
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))
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)
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)
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