public void NullableStructSome()
        {
            var typebuilder  = new TypeBuilder();
            var twoIntStruct = typebuilder.AddStruct("TwoInt");

            twoIntStruct.AddField("a", new FlatBuffersType(BaseType.Int));
            twoIntStruct.AddField("b", new FlatBuffersType(BaseType.Int));

            var option = typebuilder.AddTable("NullableTwoInt");

            option.AddField("Some", new FlatBuffersType(BaseType.Struct, twoIntStruct));

            typebuilder.Compile();

            var builder        = new FlatBufferBuilder(1);
            var builderWrapper = new FlatBufferBuilderWrapper(typebuilder, builder);

            builderWrapper.StartTable("NullableTwoInt");
            builderWrapper.AddStruct("Some", new object[] { 5, 10 });
            builderWrapper.Finish(builderWrapper.EndTable());

            var beginData  = builder.DataBuffer.Position;
            var countData  = builder.DataBuffer.Length - beginData;
            var byteBuffer = new ByteBuffer(builder.DataBuffer.Data.Skip(beginData).Take(countData).ToArray());
            var wrapper    = new FlatBufferWrapper(typebuilder, "NullableTwoInt", byteBuffer);

            var wr = (FlatBufferWrapper)wrapper["Some"];

            Assert.AreEqual(5, wr["a"]);
            Assert.AreEqual(10, wr["b"]);
        }
        internal FlatBufferWrapper GetMonsterWrapper(TypeBuilder typeBuilder)
        {
            var builder        = new FlatBufferBuilder(1);
            var builderWrapper = new FlatBufferBuilderWrapper(typeBuilder, builder);
            var monsterName    = builderWrapper.CreateString("Fred");

            builderWrapper.StartVector("Monster", "inventory", 2);
            builderWrapper.AddByte(3); //idx 1
            builderWrapper.AddByte(2); //idx 0
            var monsterInventory = builderWrapper.EndVector();
            var minion1_name     = builderWrapper.CreateString("Banana");
            var minion2_name     = builderWrapper.CreateString("Ananab");
            var main_minion_name = builderWrapper.CreateString("MainMinion");

            builderWrapper.StartTable("Minion");
            builderWrapper.AddString("name", minion1_name);
            var minion1 = builderWrapper.EndTable();

            builderWrapper.StartTable("Minion");
            builderWrapper.AddString("name", minion2_name);
            var minion2 = builderWrapper.EndTable();

            builderWrapper.StartTable("Minion");
            builderWrapper.AddString("name", main_minion_name);
            var mainMinion = builderWrapper.EndTable();

            builderWrapper.StartVector("Monster", "minions", 2);
            builderWrapper.AddTable(minion2); //idx 1
            builderWrapper.AddTable(minion1); //idx 0
            var minions = builderWrapper.EndVector();

            builderWrapper.StartTable("Monster");
            builderWrapper.AddStruct("pos", new object[] { 1.0f, 2.0f, 3.0f }); // x, y, z
            builderWrapper.AddShort("mana", 42);
            builderWrapper.AddShort("hp", 17);
            builderWrapper.AddString("name", monsterName);
            builderWrapper.AddBool("friendly", true);
            builderWrapper.AddVector("inventory", monsterInventory);
            builderWrapper.AddByte("color", 2); // Blue
            builderWrapper.AddVector("minions", minions);
            builderWrapper.AddTable("mainMinion", mainMinion);
            builderWrapper.Finish(builderWrapper.EndTable());
            var beginData  = builder.DataBuffer.Position;
            var countData  = builder.DataBuffer.Length - beginData;
            var byteBuffer = new ByteBuffer(builder.DataBuffer.Data.Skip(beginData).Take(countData).ToArray());

            return(new FlatBufferWrapper(_typeBuilder, "Monster", byteBuffer));
        }