val (<$>) : ('a, 'b) Encore.Bijection.topt -> 'a t -> 'b t
val ($>) : unit t -> (unit, 'a) Encore.Bijection.topt -> 'a t
val (<$) : 'a t -> (unit, 'a) Encore.Bijection.topt -> unit t
1-Meta.Option
val (<$>) : ('a, 'b) Encore.Bijection.topt -> 'a t -> 'b t
val ($>) : unit t -> (unit, 'a) Encore.Bijection.topt -> 'a t
val (<$) : 'a t -> (unit, 'a) Encore.Bijection.topt -> unit t