@classmethod
    def send(cls, receiver):
        def _sender(*args, **kwargs):
            receiver.send(cls(), *args, **kwargs)
        return _sender
Variance of a random expression
dataset/ETHPy150Open concurrence/concurrence/lib/concurrence/core.py/Message.send--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/stats/rv_interface.py/variance