builtup4/bu4/evaluation/constructs/enull.py
2021-07-24 15:10:11 +03:00

15 lines
331 B
Python

# Copyright (c) PARRRATE T&V 2021. All rights reserved.
from bu4.evaluation.constructs.evaluable import Evaluable
from bu4.evaluation.constructs.evalue import EValue
__all__ = ('ENull',)
class ENull(EValue):
def call(self, argument: Evaluable) -> Evaluable:
return self
def __str__(self):
return f'?'