You can search for identifiers within the package.
in-package search v0.2.0
type error =
| Invalid_level_string of string
| Invalid_level_int of int
exception Exception of error
type t =
| FATAL
| ERROR
| WARN
| INFO
| DEBUG
| TRACE
val levels : t list
val to_string : t -> string
val of_string : string -> t
val to_int : t -> int
val of_int : int -> t