diff options
Diffstat (limited to 'Lib/sets.py')
| -rw-r--r-- | Lib/sets.py | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/Lib/sets.py b/Lib/sets.py index 5ca85deab7..09d9918c69 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -363,15 +363,17 @@ class Set(BaseSet): # In-place union, intersection, differences - def union_update(self, other): + def __ior__(self, other): """Update a set with the union of itself and another.""" self._binary_sanity_check(other) self._data.update(other._data) return self - __ior__ = union_update + def union_update(self, other): + """Update a set with the union of itself and another.""" + self |= other - def intersection_update(self, other): + def __iand__(self, other): """Update a set with the intersection of itself and another.""" self._binary_sanity_check(other) for elt in self._data.keys(): @@ -379,9 +381,11 @@ class Set(BaseSet): del self._data[elt] return self - __iand__ = intersection_update + def intersection_update(self, other): + """Update a set with the intersection of itself and another.""" + self &= other - def symmetric_difference_update(self, other): + def __ixor__(self, other): """Update a set with the symmetric difference of itself and another.""" self._binary_sanity_check(other) data = self._data @@ -393,9 +397,11 @@ class Set(BaseSet): data[elt] = value return self - __ixor__ = symmetric_difference_update + def symmetric_difference_update(self, other): + """Update a set with the symmetric difference of itself and another.""" + self ^= other - def difference_update(self, other): + def __isub__(self, other): """Remove all elements of another set from this set.""" self._binary_sanity_check(other) data = self._data @@ -404,7 +410,9 @@ class Set(BaseSet): del data[elt] return self - __isub__ = difference_update + def difference_update(self, other): + """Remove all elements of another set from this set.""" + self -= other # Python dict-like mass mutations: update, clear |