Method registerType

tools/IntermediateTypeLang/cpp/itl/itl.hpp:451–454

    template<typename T>
    T* registerType(T* type) {
      allTypes_.push_back(type);
      return type;
    }

    bool extractString(const char* name, const rapidjson::Value& value, std::string& out) {
      if (value.IsObject() && value.HasMember(name)) {