module TimeUnit: sig .. end
Time units.
val nanoseconds : t 
Time unit for nanoseconds.
 
val microseconds : t 
Time unit for microseconds.
 
val milliseconds : t 
Time unit for milliseconds.
 
val seconds : t 
Time unit for seconds.
 
val minutes : t 
Time unit for minutes.
 
val hours : t 
Time unit for hours.
 
val days : t 
Time unit for days.
 
val convert : src:t -> dst:t -> java_long -> java_long
convert ~src ~dst x converts the value 
x from unit 
src to unit
 
dst; see 
convert(...)