You can search for identifiers within the package.
in-package search v0.2.0
type t = t
val mac_bytes : key:string -> ?off:int -> ?len:int -> Bytes.t -> t
val mac_string : key:string -> ?off:int -> ?len:int -> String.t -> t
val mac_bigstring : key:string -> ?off:int -> ?len:int -> bigstring -> t
val maci_bytes : key:string -> Bytes.t iter -> t
val maci_string : key:string -> String.t iter -> t
val maci_bigstring : key:string -> bigstring iter -> t
val macv_bytes : key:string -> Bytes.t list -> t
val macv_string : key:string -> String.t list -> t
val macv_bigstring : key:string -> bigstring list -> t