lib/robot/game.rb in robot_rea-0.1.5 vs lib/robot/game.rb in robot_rea-0.1.6

@@ -1,40 +1,23 @@
+# frozen_string_literal: true
+
 module Robot
   class Game
     attr_reader :input
 
     def initialize(input: $stdin)
       @input = input
     end
 
     def simulate
-      while command = input.gets
+      while (command = input.gets)
         command = command.chomp
         @position = Robot::CommandProxy.new(command_string: command, position: @position).call
       end
     end
 
     def self.call(input: $stdin)
       game = new(input: input)
-      instruction
       game.simulate
     end
-
-    def self.instruction
-      puts  <<~HEREDOC
-        Welcome to the Robot game
-        Please enter one of the following commands:
-        PLACE 0,0,NORTH (PLACE X,Y,DIRECTION)
-        MOVE
-        LEFT
-        RIGHT
-        REPORT
-
-        invalid commands are ignored.
-        You must start with a place command.
-      HEREDOC
-    end
   end
 end
-
-
-