コード例 #1
0
        static Object.Object evalHashIndexExpression(Object.Object hash, Object.Object index)
        {
            Object.Hash hashObject = (Object.Hash)hash;

            if (!(index is Object.Hashable))
            {
                return(newError("unusable as hash key: {0}", index.Type()));
            }
            Object.Hashable key = (Object.Hashable)index;

            Object.HashPair pair;
            if (!hashObject.Pairs.TryGetValue(key.HashKey(), out pair))
            {
                return(NULL);
            }

            return(pair.Value);
        }
コード例 #2
0
        static error executeHashIndex(Object.Object hash, Object.Object index)
        {
            Object.Hash hashObject = (Object.Hash)hash;

            if (!(index is Object.Hashable))
            {
                return(string.Format("unusable as hash key: {0}", index.Type()));
            }
            Object.Hashable key = (Object.Hashable)index;

            Object.HashPair pair;
            if (!hashObject.Pairs.TryGetValue(key.HashKey(), out pair))
            {
                return(push(Null));
            }

            return(push(pair.Value));
        }