From 6a3643a5cfcb642d736bccce76c92ced77bfd49d Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Tue, 1 Mar 2022 14:29:39 -0700 Subject: [PATCH] Add a TODO. --- include/deal.II/base/template_constraints.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/deal.II/base/template_constraints.h b/include/deal.II/base/template_constraints.h index 6b254638fe..eef14c55f7 100644 --- a/include/deal.II/base/template_constraints.h +++ b/include/deal.II/base/template_constraints.h @@ -163,6 +163,10 @@ namespace internal { namespace TemplateConstraints { + // TODO: Once we are able to use DEAL_II_HAVE_CXX17, the following classes + // can be made much simpler with the help of fold expressions, see + // https://en.cppreference.com/w/cpp/language/fold + // helper struct for is_base_of_all and all_same_as template struct BoolStorage; -- 2.39.5