コード例 #1
0
 public S FoldBack <S>(S state, Func <S, A, S> f) =>
 ms.FoldBack(state, (s, x) => x.FoldBack(s, f));
コード例 #2
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 public static S foldBack <S, T>(Seq <T> list, S state, Func <S, T, S> folder) =>
 list.FoldBack(state, folder);