module MongoSend: sig .. end
This module simply define two functions used as underlying low level unix socket output.
val send_no_reply : Unix.file_descr -> string -> unit
this function just send a string out via the supplied file_descr. It does not wait for any reponses. immediately finishes.
val send_with_reply : Unix.file_descr -> string -> MongoReply.t
this function will send the string and wait for a response as a MongoReply