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Indexing in coercion and tc #886

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Indexing in coercion and tc #886

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b6ea49a
indexing in coercion
Tragicus Aug 22, 2025
be4eb8e
add indexing in tc
Tragicus Aug 22, 2025
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1 change: 1 addition & 0 deletions apps/coercion/theories/coercion.v
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ Elpi Db coercion.db lp:{{
% - [Expected] is the type [V] should be coerced to
% - [Res] is the result (of type [Expected])
% Be careful not to trigger coercion as this may loop.
:index(_ _ 10 10)
pred coercion i:goal-ctx, i:term, i:term, i:term, o:term.

}}.
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6 changes: 4 additions & 2 deletions apps/tc/elpi/create_tc_predicate.elpi
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Expand Up @@ -17,11 +17,13 @@ func add-class-gr search-mode, gref ->.
add-class-gr _ ClassGR :- tc.class ClassGR _ _ _, !.
add-class-gr SearchMode ClassGR :-
std.assert! (coq.TC.class? ClassGR) "Only gref of type classes can be added as new predicates",
tc.get-elpi-mode ClassGR EM SM,
tc.get-elpi-mode ClassGR EM SM,
if (std.forall EM (m\ sigma a s\ m = pr a s, a = out)) (true) (
std.fold EM "" (m\s\r\ sigma a s'\ m = pr a s', if (a = in) (calc (s ^ " 10") r) (calc (s ^ " _") r)) Indexing),
tc.gref->pred-name ClassGR PredName,
get-class-locality Locality,
Locality => (
coq.elpi.add-predicate "tc.db" _ PredName EM,
coq.elpi.add-predicate "tc.db" Indexing PredName EM,
tc.add-tc-db _ _ (tc.class ClassGR PredName SearchMode SM)).

func add-class-str search-mode, string ->.
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