#  Copyright (c) PARRRATE T&V 2021. All rights reserved.

from bu4.evaluation.av.evtype import evtype
from bu4.evaluation.constructs.eattachable import EAttachable
from bu4.evaluation.constructs.evaluable import Evaluable
from bu4.evaluation.constructs.evalue import EValue
from bu4.indexing.constructs.indexed import Indexed

__all__ = ('EIDelayed',)


class EIDelayed(EValue):
    def __init__(self, ev: evtype, value: Indexed):
        self.ev = ev
        self.value = value
        self.evaluable = EAttachable(
            self.ev,
            self.value
        )

    def call(self, argument: Evaluable) -> Evaluable:
        return self.evaluable

    def __str__(self):
        return f'(()){self.value}'