程序代写代做代考 ocaml interpreter cache The Scanner and AST
The Scanner and AST scanner.mll { open Parser } rule token = parse [¡¯ ¡¯ ¡¯\t¡¯ ¡¯\r¡¯ ¡¯\n¡¯] |¡¯+¡¯ | ¡¯-¡¯ |¡¯*¡¯ |¡¯/¡¯ | [¡¯0¡¯-¡¯9¡¯]+ as lit | eof ast.mli type operator = Add | Sub | Mul | Div type expr = Binop of expr * operator * expr { token lexbuf } {PLUS} […]
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