Sensorimotor Interface

There are three central functions for interacting with OpenNARS v2:

1. Narsese Input

nars-input-narsese allows entering a Narsese statement into the system as input task. More about the Narsese format can be read here: https://github.com/opennars/opennars/wiki/Input-Output-Format

** 2. Operator Registration: **

nars-register-operation allows to register a Clojure function which can be used by the system by calling an operation. Example: (nars-register-operation 'op_up (fn [args operationgoal] (do (reset! direction 1) true))

Feedback: The last line indicates success, some operators might not work in all circumstances and the system will take this information into account.

Call: In order to call this operation, the system has to derive the operation goal <(,{SELF}) --> ^op_up>! The function will then be invoked with args='[ [ext-set SELF]] and operationgoal being the operation goal itself (the operationgoal argument exists mainly for debugging purposes).

Additionally operators can depend on args, these are of the form '[* arg1 arg2 ...]

Also there are abbrevations for operations that do not depend on arguments, allowing the system to have a simpler representation of the operation-goal. If the operator name starts with self_ such as self_op_up then it can be called directly by the goal self_op_up! This is basically just an abbrevation of <(*,{SELF}) --> ^op_up>. the system can deal with more effectively since it is structurally simpler.

** 2. Answer Handler **

Some applications may communicate with NARS through Narsese and ask questions to the system. In order to programmatically react to answers the system gives, there is a function called nars-register-answer-handler in the sensorimotor interface. Example: (nars-register-answer-handler (fn [question answer] (println (str "the solution to " question " is " answer))))