Mongo C++ Driver: Insert

Question

This update is based on a previous review where I tried creating a WriteConfig and a WriteConfigBuilder. I have updated this so I am only using the Config part and not the Builder.

The wire protocol for Mongo Insert is:

You will notice that of the 7 parameters 5 are optional and one is implied due to context. So I have shaped my API so that the required parameters is part of the interface and the user can pass the optional parameters in a separate optional config object (Rather than having a mass of insert() functions taking different number of parameters).

I am using this as an example. Because the findAndModify API has 13 optional parameters (and I want to use a similar patter for all the API). If this looks sensible then I can use this standard pattern.

class Collection
{
 ... STUFF removed.
 template<typename T>
 InsertResult insert(std::vector<T> const& data, InsertConfig const& config = InsertConfig{});
 template<typename... T>
 InsertResult insert(std::tuple<T...> const& data, InsertConfig const& config = InsertConfig{});
};

The optional config object is then defined like this:

class InsertConfig
{
 std::optional<bool> ordered;
 std::optional<std::uint32_t> maxTimeMS;
 std::optional<WriteConcern> writeConcern;
 std::optional<bool> bypassDocumentValidation;
 std::optional<std::string> comment;
 public:
 std::optional<bool> const& getOrdered() const {return ordered;}
 std::optional<std::uint32_t> const& getMaxTimeMS() const {return maxTimeMS;}
 std::optional<WriteConcern> const& getWriteConcern() const {return writeConcern;}
 std::optional<bool> const& getBypassDocumentValidation() const {return bypassDocumentValidation;}
 std::optional<std::string> const& getComment() const {return comment;}
 InsertConfig& setOrdered(bool value) {ordered.emplace(value); return *this;}
 InsertConfig& setMaxTimeMS(std::uint32_t value) {maxTimeMS.emplace(value); return *this;}
 InsertConfig& setWriteConcern(WriteConcern value) {writeConcern.emplace(value); return *this;}
 InsertConfig& setBypassDocumentValidation(bool value) {bypassDocumentValidation.emplace(value); return *this;}
 InsertConfig& setComment(std::string value) {comment.emplace(value); return *this;}
};

This allows the interface to be called like this:

mongo["DB"]["Collection"].insert(peopleVector,
 InsertConfig{}
 .setOrdered(true)
 .setComment("Add people")
 // Add more optional param here
 );

Nothing interesting to review in the actual insert() function.