Fan.Sys.Map.ordered C# (CSharp) Method

        public bool ordered()
        {
            return m_map is OrderedDictionary;
        }

        public Map map(Func f)
        {
            Type r = f.returns();

            if (r == Sys.VoidType)
            {
                r = Sys.ObjType.toNullable();
            }
            Map acc = new Map(m_type.m_k, r);

            if (this.ordered())
            {
                acc.ordered(true);
            }
            if (this.caseInsensitive())
            {
                acc.caseInsensitive(true);
            }
            IDictionaryEnumerator en = m_map.GetEnumerator();

            while (en.MoveNext())
            {
                object key = en.Key;
                object val = en.Value;
                acc.set(key, f.call(val, key));
            }
            return(acc);
        }