Decidable.Operationmodule Core : Preface_specs.Decidable.COREtype 'a t = 'a Core.tThe type held by the Decidable.
val lost : Preface_core.Void.t tlose acting on identity.
val chosen : 'a t -> 'b t -> ('a, 'b) Preface_core.Shims.Either.t tchoose acting on identity.