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