23 lines
501 B
Python
23 lines
501 B
Python
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class Event:
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def __init__(self):
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self._callbacks = set()
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def __iadd__(self, callback):
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self._callbacks.add(callback)
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def __isub__(self, callback):
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self.remove_callback(callback)
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def __call__(self, *args, **kwargs):
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for callback in self._callbacks:
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callback(*args, **kwargs)
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def add_callback(self, callback):
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self._callbacks.add(callback)
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def remove_callback(self, callback):
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self._callbacks.discard(callback)
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