Template. Destroys the world structure W = WORLD_DESTROY(W) Frees all resources consumed by the world. No other operations may be performed on the world after this function has been called. This function is a template and performs no operations. A new world type must implement this function under the name <world_type>_destroy. This functions' input and output argument(s) must conform to the specifications below. Parameters: W - the world Returns: W - the destroyed world structure See also world