QCheck2.TupleUtils on combining function arguments.
Heterogeneous tuple, used to pass any number of arguments to a function.
How to observe a t.
See Observable for more information on what "observe" means in the QCheck.
val o_cons : 'a Observable.t -> 'b obs -> ('a * 'b) obsval observable : 'a obs -> 'a t Observable.tobservable obs returns the underlying observable of obs.