よくわかってない。Prologともちょっとだけ違う感じなのかなぁ。 -module(list). -export([listprint/1]). listprint(A) -> listprint1(A,[]). listprint1([],Sum) -> Sum; listprint1([H|T], Sum) -> listprint1(T, Sum ++ [H*2] ). 実行結果 1>c("list"). …
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