const char* get_property(const std::string& key) const;
void set_property(const std::string& id, const std::string& value);
- /* FIXME: This should not be exposed, as users may do bad things with the map they got (it's not a copy).
- * But some user API expose this call so removing it is not so easy.
- */
- std::unordered_map<std::string, std::string>* get_properties();
+ const std::unordered_map<std::string, std::string>* get_properties();
+ template <class Assoc> void set_properties(const Assoc& properties);
private:
std::unique_ptr<std::unordered_map<std::string, std::string>> properties_ = nullptr;