You can search for identifiers within the package.
in-package search v0.2.0
type name
type tag
type digest
val from_string : string -> name * tag * digest option
val with_digest : string -> name * tag * digest
val without_digest : string -> name * tag
val ignore_digest : string -> name * tag
val to_string : name -> tag -> digest option -> string
val name_to_string : name -> string
val tag_to_string : tag -> string
val digest_to_string : digest -> string