You can search for identifiers within the package.
in-package search v0.2.0
type t = Big_int.big_int
val equal : t -> t -> bool
val compare : t -> t -> int
val of_int : int -> t
val of_int32 : int32 -> t
val of_int64 : int64 -> t
val of_string : string -> t
val to_int : t -> int
val to_int32 : t -> int32
val to_int64 : t -> int64
val to_float : t -> float
val to_string : t -> string