You can search for identifiers within the package.
in-package search v0.2.0
type t
type 'a io = 'a Lwt.t
type buffer = Cstruct.t
type handler = source:int -> buffer -> unit
type token
type source = [
| `Timer
| `Rdseed
| `Rdrand
| `Xentropyd
]
val sources : t -> source list
val connect : unit -> t io
val disconnect : t -> unit io
val add_handler : t -> handler -> token io
val remove_handler : t -> token -> unit