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› Learn Python the Hard Way
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This topic created in 2168 days ago, the information mentioned may be changed or developed.
虚空之鸭，万能的鸭鸭，无能的鸭鸭，随你怎么对待它，鸭鸭不反抗，鸭鸭不回答
https://github.com/mo-han/mo-han-toolbox/blob/master/lib_misc.py#L29
class VoidDuck:
"""a void, versatile, useless and quiet duck, called in any way, return nothing, raise nothing"""
def __init__(self, *args, **kwargs):
pass
def __getattr__(self, item):
return self
def __call__(self, *args, **kwargs):
return self
def __bool__(self):
return False
 |
1
Ritter May 21, 2020
???
|
 |
3
no1xsyzy May 21, 2020  1
vd = VoidDuck()
vd.__class__.__getattr__ = lambda self, key: None assert VoidDuck().item is None |
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