preface.make
Over_arrow.Req
preface
preface.core
preface.specs
preface.stdlib
type ('a, 'b) t = ('a, 'b) Arrow.t
The type held by the Arrow_alt.
Arrow_alt
val combine : ('a, 'b) t -> ('a, 'b) t -> ('a, 'b) t
Combine two values of ('a, 'b) t into one.
('a, 'b) t