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-rw-r--r--lib/kernel/precedence.ml22
1 files changed, 20 insertions, 2 deletions
diff --git a/lib/kernel/precedence.ml b/lib/kernel/precedence.ml
index 05ad69f..2c55817 100644
--- a/lib/kernel/precedence.ml
+++ b/lib/kernel/precedence.ml
@@ -17,8 +17,14 @@ type ('s, 'r) rules = {
disposition : winner:'r candidate -> loser:'r candidate -> disposition;
admit :
observed:'r candidate ->
- ('r candidate * privilege) list ->
+ temporal:'r candidate ->
+ ('r candidate * privilege * int) list ->
('r candidate * privilege) list;
+ (** the trailing [int] on each input triple is that candidate's own
+ [band] value, computed once by {!resolve} below (a rite's [admit]
+ has no [context] of its own to compute it with) -- see [resolve]'s
+ own comment for why this is a KERNEL-level policy, not a rite-
+ specific rule threaded in as data. *)
}
type 'r resolution = {
@@ -55,7 +61,19 @@ let resolve rules ctx ~temporal ~sanctoral =
([], [], []) losers
in
let comms = List.rev comms and deferred = List.rev deferred in
- let admitted = rules.admit ~observed comms in
+ (* RG 113 (EF; docs/research/rules-register.md ยง4 "Commemorations"): "in
+ admittendis et ordinandis aliis commemorationibus, servetur ordo
+ tabellae praecedentiae" -- admitting AND ordering commemorations both
+ run on the rite's own table of precedence, the same [band] already
+ used above to pick [observed]. Computed here, once, generically (a
+ rite's own [admit] has no [ctx] of its own to call [band] with) rather
+ than inside every rite's [admit] separately -- a kernel-level POLICY
+ ("commemorations are ordered by the rite's own band"), not a
+ rite-specific RULE baked into the kernel: the actual [band] function,
+ and whether a rite's [admit] even uses the value it is handed, both
+ stay entirely rite-supplied. *)
+ let comms_by_precedence = List.map (fun (c, p) -> (c, p, rules.band ctx c)) comms in
+ let admitted = rules.admit ~observed ~temporal comms_by_precedence in
let dropped =
List.filter (fun c -> not (List.exists (fun a -> fst a == fst c) admitted)) comms
in