You can search for identifiers within the package.
in-package search v0.2.0
val list_slow_append : 'a list -> 'a list -> 'a list
val list_count_append : 'a list -> 'a list -> int -> 'a list
val list_append : 'a list -> 'a list -> 'a list
module Std : sig ... end
val flatmap : ('a -> 'b list) -> 'a list -> 'b list
val string_subst_char : string -> char -> char -> string
val list_of_string : string -> char list
val string_of_list : char list -> string
val dashes_to_underscores : string -> string
val underscores_to_dashes : string -> string
val string_split : string -> ?start:int -> char -> string list
val with_bool : 'a ref -> 'a -> (unit -> 'b) -> 'b
val find_dups : 'a list -> ('a * 'a) option
val quote : string -> string
val uniqq : 'a list -> 'a list
val uniq : 'a list -> 'a list