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23 lines
441 B
Text
23 lines
441 B
Text
fun map (f, l) {
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case l of
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Nil -> Nil
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| Cons (h, tl) -> Cons (f (h), map (f, tl))
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esac
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}
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fun a (x) {x + 1}
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fun b (x) {x + 2}
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fun print_list (x) {
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case x of
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Nil -> skip
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| Cons (h, tl) -> write (h); print_list (tl)
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esac
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}
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val x = read ();
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print_list (Cons (1, Cons (2, Cons (3, Nil))));
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print_list (map (a, Cons (1, Cons (2, Cons (3, Nil)))));
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print_list (map (b, Cons (1, Cons (2, Cons (3, Nil)))))
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