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23 lines
405 B
Text
23 lines
405 B
Text
fun append (x, y) {
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case x of
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Nil -> return y
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| Cons (h, t) -> return Cons (h, append (t, y))
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esac
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}
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fun printList (x) {
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case x of
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Nil -> skip
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| Cons (h, t) -> write (h); printList (t)
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esac
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}
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n := read ();
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x := Cons (1, Cons (2, Nil));
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y := Cons (3, Cons (4, Nil));
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printList (x);
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printList (y);
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printList (append (x, y));
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printList (append (y, x))
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