class FirstBase {
    function pitcher() { print("I am a pitcher on first base"); }
    function hitter() { print("I am a hitter on first base"); }
  }

  class SecondBase extends FirstBase {
    hide     function pitcher() { print("I am a pitcher on second base"); }
    override function hitter() { print("I am a hitter on second base"); }
  }

  player : SecondBase = new SecondBase;

  player.pitcher();
  player.hitter();

  I am a pitcher on second base
  I am a hitter on second base

  player2 : FirstBase = player;
  player2.pitcher();
  player2.hitter();

  I am a pitcher on first base
  I am a hitter on second base

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