OPERATION (preface.Preface_specs.Decidable.OPERATION)

type 'a t

The type held by the Decidable.

val lost : Preface_core.Void.t t

lose acting on identity.

val chosen : 'a t -> 'b t -> ('a, 'b) Stdlib.Either.t t

choose acting on identity.

include Divisible.OPERATION with type 'a t := 'a t

val divided : 'a t -> 'b t -> ('a * 'b) t

val conquered : unit t

include Contravariant.OPERATION with type 'a t := 'a t

val replace : 'b -> 'b t -> 'a t

Replace all locations in the output with the same value.