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  1. (* your code goes here *)
  2. type 'a lBT = LEmpty | LNode of 'a * (unit -> 'a lBT) * (unit -> 'a lBT);;
  3. let exlBST = LNode(3, (function() -> LEmpty), (function() -> LEmpty));;
Success #stdin #stdout 0s 15896KB
stdin
Standard input is empty
stdout
Standard output is empty