8 lines
237 B
Standard ML
8 lines
237 B
Standard ML
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signature UPDATE_MESSAGE =
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sig
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datatype t = DRAW of DrawMessage.t | FILE of FileMessage.t | NO_MAILBOX
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end
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structure UpdateMessage :> UPDATE_MESSAGE =
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struct datatype t = DRAW of DrawMessage.t | FILE of FileMessage.t | NO_MAILBOX end
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