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/** @page tut_mongo_sync_insert Inserting documents into MongoDB
*
* Now that we know how to connect, it is time to take another step
* forward, and put something into our database. We already learned
* how to build BSON objects in @ref tut_bson_build, so lets put that
* knowledge together, and insert a document!
*
* @dontinclude tut_mongo_sync.c
* @skip tut_sync_connect_replica
* @skip }
* @skip void
* @until {
*
* First, we define a couple of variables, a connection, and three documents:
*
* @until bson
*
* Then we do our routine connect:
* @until }
*
* And then build a BSON object, as we've learned earlier:
* @until bson_finish
*
* Now we have a connection, and we have a document, it's time to get
* dirty, and insert:
*
* @until }
*
* One might wonder what that @c NULL is at the end of
* mongo_sync_cmd_insert()'s argument list: it's the @a sentinel. The
* value that marks the end of the documents we want to insert. It is
* needed, because the insert command can take any number of
* documents, and it will try to insert them in bulk.
*
* Lets try that, and build two more documents:
* @until bson_finish (doc3)
*
* Then we insert the two new documents into the same collection, at
* the same time:
* @until }
*
* And we're done! It's that straightforward. All we have left is
* cleaning up!
*
* @until }
*/
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