From d28304f6ba18ad9527a63cd01b39a5ad27526845 Mon Sep 17 00:00:00 2001 From: Pierre-Marie Pédrot Date: Sat, 9 Sep 2017 21:47:17 +0200 Subject: Efficient fresh name generation relying on sets. The old algorithm was relying on list membership, which is O(n). This was nefarious for terms with many binders. We use instead sets in O(log n). --- interp/impargs.ml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'interp/impargs.ml') diff --git a/interp/impargs.ml b/interp/impargs.ml index d8241c044..09a0ba83c 100644 --- a/interp/impargs.ml +++ b/interp/impargs.ml @@ -255,7 +255,7 @@ let compute_implicits_gen strict strongly_strict revpat contextual all env t = in match kind_of_term (whd_all env t) with | Prod (na,a,b) -> - let na',avoid = find_displayed_name_in all [] na ([],b) in + let na',avoid = find_displayed_name_in all Id.Set.empty na ([],b) in let v = aux (push_rel (LocalAssum (na',a)) env) avoid 1 [na'] b in !rigid, Array.to_list v | _ -> true, [] -- cgit v1.2.3