예제 #1
0
 public static ListM <T1> Fmap <L0, T0, T1>(
     this TList <T0> .P <L0> list,
     Func <T0, T1> mapper
     )
     where L0 : TFunctor <T0> .T <EmptyList> .P <L0>
 {
     return(list
            .Match(
                l => new ListM <T1>(new EmptyList()),
                r => new ListM <T1>(r.Select(mapper))
                ));
 }