You can search for identifiers within the package.
in-package search v0.2.0
Universal map
type 'a key
val new_key : string -> 'a key
type t
val empty : t
val add : 'a key -> 'a -> t -> t
val mem : 'a key -> t -> bool
val find : 'a key -> t -> 'a option
val merge : default:t -> t -> t