definition module RefereeCoach_Keeper_Assignment /** This module implements a referee coach for a keeper assignment. The student team consists of a single keeper. He is challenged by TeamOpponent_Keeper_Assignment which consists of a number of footballers who are passing the ball to each other in an attempt to have the keeper not cover the center of the goal. Developed by Wanja Krah. */ import Referee RefereeCoach_Keeper :: !FootballField -> Referee