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open Sexplib0.Sexp_conv

(* The single stable result schema (parent spec §2). *)
type ('s, 'r) t = {
  date : Date.t;
  rite : string;
  temporal : ('s, 'r) Temporal.t;
      (** embedded, not flattened: it is already a coherent unit with its own
          invariants, and re-listing season/week/weekday here would create two
          places for them to disagree *)
  observed : 'r Celebration.t;
  commemorations : ('r Celebration.t * Precedence.privilege) list;
  transferred_in : 'r Celebration.t option;
      (** arrived here from an impeded day *)
  transferred_out : Date.t option;
      (** this day's celebration went there *)
  omitted : ('r Celebration.t * string) list;
      (** with the reason, never silent -- Task 12's no-celebration-lost
          invariant reads this *)
  citations : Citation.t list;  (** always empty until Plan 4 *)
}
[@@deriving sexp]