Parameter Via.Operation

type t = Core.t

the type held by the Semigroup.

val times_nel : int -> t -> t option

times_nel n x apply combine on x n times. If n is lower than 1 the function will returns None.

val reduce_nel : t Preface_core.Nonempty_list.t -> t

Reduce a Nonempty_list.t using combine.