`functor (X : Basic) ->
sig
val return : 'a -> 'a X.t
val apply : ('a -> 'b) X.t -> 'a X.t -> 'b X.t
val map : 'a X.t -> f:('a -> 'b) -> 'b X.t
val map2 : 'a X.t -> 'b X.t -> f:('a -> 'b -> 'c) -> 'c X.t
val map3 :
'a X.t -> 'b X.t -> 'c X.t -> f:('a -> 'b -> 'c -> 'd) -> 'd X.t
val all : 'a X.t list -> 'a list X.t
val both : 'a X.t -> 'b X.t -> ('a * 'b) X.t
module Applicative_infix :
sig
val ( <*> ) : ('a -> 'b) X.t -> 'a X.t -> 'b X.t
val ( <* ) : 'a X.t -> unit X.t -> 'a X.t
val ( *> ) : unit X.t -> 'a X.t -> 'a X.t
end
val ( <*> ) : ('a -> 'b) X.t -> 'a X.t -> 'b X.t
val ( <* ) : 'a X.t -> unit X.t -> 'a X.t
val ( *> ) : unit X.t -> 'a X.t -> 'a X.t
end`