def issubscribed(self, name):
        return name in self.__subscriptions
Finds the shortest distance between the ray and a point.
dataset/ETHPy150Open selfsk/nodeset.core/src/nodeset/core/node.py/_Node.issubscribed--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/geometry/line3d.py/Ray3D.distance