Date.ISO_ord
exception Error_exn of error
Constructs a date in the ISO ordinal calendar.
Returns Error `Invalid_year
if year < 0 || 9999 < year
.
Returns Error `Invalid_day_of_year
if day_of_year < 1 || day count of year < day_of_year
.
val make_exn : year:int -> day_of_year:int -> t
val pp_iso8601 : Stdlib.Format.formatter -> t -> unit
val to_iso8601 : t -> string
val of_iso8601 : string -> (t, string) Stdlib.result
val of_iso8601_exn : string -> t