A somewhat faithful implementation of libc `free`.

        :param ptr: the location in memory to be freed

def free(self, ptr):  #pylint:disable=unused-argument
        """
        A somewhat faithful implementation of libc `free`.

        :param ptr: the location in memory to be freed
        """
        raise NotImplementedError("%s not implemented for %s" % (self.free.__func__.__name__,
                                                                 self.__class__.__name__))