Fan.Sys.List.map C# (CSharp) Method

        public List map(Func f)
        {
            Type r = f.returns();
              if (r == Sys.VoidType) r = Sys.ObjType.toNullable();
              List acc = new List(r, (int)size());
              for (int i=0; i<m_size; i++)
            acc.add(f.call(m_values[i], i));
              return acc;
        }