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beautiful-racket/beautiful-racket-demo/basic-demo-3/struct.rkt

8 lines
216 B
Racket

8 years ago
#lang br
(provide (struct-out end-program-signal)
(struct-out change-line-signal)
(struct-out line-error))
(struct end-program-signal ())
(struct change-line-signal (val))
(struct line-error (msg))