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bitmask.py: clarify logic on discard, remove

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This commit is contained in:
dogeystamp 2022-07-27 22:07:15 -04:00
parent 0e67984d99
commit fe2bfd9356
Signed by: dogeystamp
GPG Key ID: 7225FE3592EFFA38
1 changed files with 8 additions and 9 deletions
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bitmask.py
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@ -173,6 +173,13 @@ class Bitmask:
def __radd__(self, other):
return self.__add__(other)
def discard(self, flag):
"""Remove flag bitmask if present.
This behaves the same as built-in `set.discard()`.
"""
self._flag_op(flag, lambda a, b : a & ~b)
def remove(self, flag):
"""Remove `flag` from the bitmask.
@ -183,12 +190,4 @@ class Bitmask:
"""
if not flag in self:
raise KeyError(flag)
self._flag_op(flag, lambda a, b : a ^ b)
def discard(self, flag):
"""Remove flag bitmask if present.
This behaves the same as built-in `set.discard()`.
"""
if flag in self:
self.remove(flag)
self.discard(flag)