From a06a6a35b9c57375ff6f6504758edce513c6fd39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mael=20Rouxel-Labb=C3=A9?=
 <mael.rouxel.labbe@geometryfactory.com>
Date: Sun, 16 Mar 2025 13:27:07 +0100
Subject: [PATCH] Use std::invoke_result and not result_type to get the return
 type

---
 Spatial_searching/include/CGAL/Fuzzy_iso_box.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Spatial_searching/include/CGAL/Fuzzy_iso_box.h b/Spatial_searching/include/CGAL/Fuzzy_iso_box.h
index 08cc1da0063..6d499b9617d 100644
--- a/Spatial_searching/include/CGAL/Fuzzy_iso_box.h
+++ b/Spatial_searching/include/CGAL/Fuzzy_iso_box.h
@@ -59,9 +59,8 @@ namespace CGAL {
 
     private:
 
-    std::remove_cv_t<
-      std::remove_reference_t< typename Construct_min_vertex_d::result_type >
-      > min, max;
+    CGAL::cpp20::remove_cvref_t<std::invoke_result_t<Construct_min_vertex_d, Iso_box_d> > min;
+    CGAL::cpp20::remove_cvref_t<std::invoke_result_t<Construct_max_vertex_d, Iso_box_d> > max;
     Cartesian_const_iterator_d min_begin, max_begin;
     FT eps;
     unsigned int dim;