classThe class of receiver objects.[['a, 'b, 'c]]
rx :('a, 'b, 'c) wire ->
object
..end
Cf_gadget.connector
A wire carrying messages of type 'x
.method get : ('a -> ('b, 'c, unit) t) -> ('b, 'c, unit) guard
rx#get f
to produce a guard that receives a message on the
associated wire by applying the function f
to it.