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1.1 ! root 1: program setret(output); ! 2: ! 3: type ! 4: bigset = set of char; ! 5: ! 6: var ! 7: old :bigset; ! 8: ! 9: function bigit(inp : bigset) :bigset; ! 10: begin ! 11: bigit := inp - ['a'..'z']; ! 12: end; ! 13: ! 14: begin ! 15: old := ['g'..'w', 'A'..'S']; ! 16: writeln('before ', card(old)); ! 17: writeln('after ',card(bigit(old))); ! 18: end.
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