IronRuby.Builtins.RubyStruct.GetItems C# (CSharp) Method

        public IEnumerable<KeyValuePair<string, object>>/*!*/ GetItems() {
            for (int i = 0; i < _data.Length; i++) {
                yield return new KeyValuePair<string, object>(StructInfo.GetName(i), _data[i]);
            }
        }

        public static object EachPair(BlockParam block, RubyStruct/*!*/ self)
        {
            if (block == null && self.ItemCount > 0) {
                throw RubyExceptions.NoBlockGiven();
            }

            var context = self.ImmediateClass.Context;
            foreach (KeyValuePair<string, object> entry in self.GetItems()) {
                object result;
                if (block.Yield(context.EncodeIdentifier(entry.Key), entry.Value, out result)) {
                    return result;
                }
            }

            return self;
        }