python中property(lambda self: object())簡單解釋，,最后4行lambda

最后4行lambda。問題是：如何運作？它們的含義和結果是什么？您能否以簡單的方式顯示該聲明的示例？現在謝謝！class error(Exception): """ Base class for I/O related errors. """ def __init__(self, *args, **kwargs): # real signature unknown pass @staticmethod # known case of __new__ def __new__(S, *more): # real signature unknown; restored from __doc__ """ T.__new__(S, ...) -> a new object with type S, a subtype of T """ pass def __reduce__(self, *args, **kwargs): # real signature unknown pass def __str__(self): # real signature unknown; restored from __doc__ """ x.__str__() <==> str(x) """ pass characters_written = property(lambda self: object()) # default errno = property(lambda self: object()) # default filename = property(lambda self: object()) # default strerror = property(lambda self: object()) # default

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property是內置的。通常用作裝飾器。該代碼與此等效，可能看起來更加熟悉：class error(Exception): #... @property def characters_written(self): return object() @property def errno(self): return object() @property def filename(self): return object() @property def strerror(self): return object()

python中property(lambda self: object())簡單解釋

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