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Diffstat (limited to 'kernel/declarations.ml')
| -rw-r--r-- | kernel/declarations.ml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/declarations.ml b/kernel/declarations.ml index 000305ebe5..4811716520 100644 --- a/kernel/declarations.ml +++ b/kernel/declarations.ml @@ -76,6 +76,10 @@ let dest_subterms p = let (_,cstrs) = Rtree.dest_node p in Array.map (fun t -> Array.to_list (snd (Rtree.dest_node t))) cstrs +let recarg_length p j = + let (_,cstrs) = Rtree.dest_node p in + Array.length (snd (Rtree.dest_node cstrs.(j-1))) + let subst_wf_paths sub p = Rtree.smartmap (subst_recarg sub) p (* [mind_typename] is the name of the inductive; [mind_arity] is |