diff options
Diffstat (limited to 'kernel/declarations.ml')
| -rw-r--r-- | kernel/declarations.ml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/declarations.ml b/kernel/declarations.ml index b995f2e4a..3e5b10f3b 100644 --- a/kernel/declarations.ml +++ b/kernel/declarations.ml @@ -180,6 +180,12 @@ type recarg = | Mrec of inductive | Imbr of inductive +let eq_recarg r1 r2 = match r1, r2 with +| Norec, Norec -> true +| Mrec i1, Mrec i2 -> eq_ind i1 i2 +| Imbr i1, Imbr i2 -> eq_ind i1 i2 +| _ -> false + let subst_recarg sub r = match r with | Norec -> r | Mrec (kn,i) -> let kn' = subst_ind sub kn in @@ -204,7 +210,7 @@ let dest_recarg p = fst (Rtree.dest_node p) *) let dest_subterms p = let (ra,cstrs) = Rtree.dest_node p in - assert (ra<>Norec); + assert (match ra with Norec -> false | _ -> true); Array.map (fun t -> Array.to_list (snd (Rtree.dest_node t))) cstrs let recarg_length p j = |