From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 23 Mar 2023 21:16:20 +0000 (-0600)
Subject: Deprecate type 'identity'.
X-Git-Tag: v9.5.0-rc1~422^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a6bf7c62dafcb03aa142d789baf4fd94d47c52b;p=dealii.git

Deprecate type 'identity'.
---

diff --git a/include/deal.II/base/template_constraints.h b/include/deal.II/base/template_constraints.h
index 3f5f3ae36b..31e7f5a47f 100644
--- a/include/deal.II/base/template_constraints.h
+++ b/include/deal.II/base/template_constraints.h
@@ -342,7 +342,7 @@ constexpr bool has_begin_and_end =
  * @deprecated Use `std_cxx20::identity_type` instead.
  */
 template <typename T>
-using identity = std_cxx20::type_identity<T>;
+using identity DEAL_II_DEPRECATED_EARLY = std_cxx20::type_identity<T>;
 
 
 /**