You can search for identifiers within the package.
in-package search v0.2.0
val pair : 'a compare -> 'b compare -> ('a * 'b) compare
val triple : 'a compare -> 'b compare -> 'c compare -> ('a * 'b * 'c) compare
val list : 'a compare -> 'a list compare
val option : 'a compare -> 'a option compare