module Backend : sig ... endThe main backend for the application
include Backend.S
val print_user_message : User_message.t -> unitFormat and print a user message to the console
val set_status_line : User_message.Style.t Pp.t option -> unitChange the status line
val print : User_message.Style.t Pp.t list -> unitprint paragraphs is a short-hand for:
print_user_message (User_message.make paragraphs) module Status_line : sig ... end