This reminded me exactly of Python's mutable default arguments: http://docs.quantifiedcode.com/python-anti-patterns/correctness/mutable_default_value_as_argume

This reminded me exactly of Python's mutable default arguments: http://docs.quantifiedcode.com/python-anti-patterns/correctness/mutable_default_value_as_argument.html http://docs.quantifiedcode.com/python-anti-patterns/correctn...