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Paste # 12143
2016-07-26 11:49:35

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comment before #lang

  1. ; comment before #lang
  2. #lang racket
  3. (require (only-in 2htdp/image circle))
  4. (circle 10 "outline" "blue")
  5. (rectangle 1 2 "outline" "red")

=>

image

rectangle: undefined;

 cannot reference an identifier before its definition

  in module: 'm