version 1 .

JSON =
/ @string string
/ @integer int
/ @double double
/ @boolean bool
/ @null =null
/ @array [JSON ...]
/ @object { symbol: JSON ...:... } .

; Messages that might be exchanged over a point-to-point medium such as a TCP or UNIX socket.
Message = SendJSON / RecvJSON .

; A message destined for a remote endpoint.
SendJSON = <send @data JSON> .

; A message originating from a remote endpoint.
RecvJSON = <recv @data JSON> .