21 lines
521 B
Python
21 lines
521 B
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
|
|
|
|
from bu4.evaluation.av.evtype import evtype
|
|
from bu4.evaluation.constructs.enull import ENull
|
|
from bu4.evaluation.constructs.evaluable import Evaluable
|
|
from bu4.indexing.constructs.indexed import Indexed
|
|
from bu4.parsing.codes import CODE_NULL
|
|
|
|
__all__ = ('INull',)
|
|
|
|
|
|
class INull(Indexed):
|
|
def attach(self, ev: evtype) -> Evaluable:
|
|
return ENull()
|
|
|
|
def __str__(self):
|
|
return '?'
|
|
|
|
def __bytes__(self):
|
|
return bytes([CODE_NULL])
|