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Cover subset operators

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This commit is contained in:
faze-geek 2024-03-22 18:33:05 +05:30
parent b6b914e312
commit 7e8d380356
1 changed files with 22 additions and 2 deletions
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24
python/_set.py
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@ -59,6 +59,26 @@ class set:
ret.add(elem) ret.add(elem)
return ret return ret
def __lt__(self, other):
if len(self) >= len(other):
return False
for elem in self:
if elem not in other:
return False
return True
def __le__(self, other):
for elem in self:
if elem not in other:
return False
return True
def __gt__(self, other):
return other < self
def __ge__(self, other):
return other <= self
def union(self, other): def union(self, other):
return self | other return self | other
@ -78,10 +98,10 @@ class set:
return self.__and__(other).__len__() == 0 return self.__and__(other).__len__() == 0
def issubset(self, other): def issubset(self, other):
return self.__sub__(other).__len__() == 0 return self <= other
def issuperset(self, other): def issuperset(self, other):
return other.__sub__(self).__len__() == 0 return self >= other
def __contains__(self, elem): def __contains__(self, elem):
return elem in self._a return elem in self._a