1
如何在我定义的类中为运算符[]
使用__getitem__
的前提下重载运算符in
?如何重载operator in?
class myClass:
def __init__(self):
self.slots = [None]*5
def __setitem__(self, key, data):
self.set(key, data)
def __getitem__(self,key):
return self.get(key)
def set(self, key, data):
self.slots[key]=data
def get(self,key):
return self.slots[key]
s=myClass()
s[0]='first'
s[1]='second'
print(s[0])#<-------first
print(s.slots)#<----['first', 'second', None, None, None]
我该如何实现in
那样的功能?
print(('second' in s))#<----True
print(('third' in s))#<-----False
惊人!乌尔答案是如此迅速,高效,准确!谢谢你!!! – fuyangzhen