From f59197d0d2b2ce4c4eec6115dbe9851d3f39d915 Mon Sep 17 00:00:00 2001
From: Bernhard Manfred Gruber <bernhardmgruber@gmail.com>
Date: Tue, 21 Jan 2025 19:41:19 +0100
Subject: [PATCH] Deprecate thrust universal iterator categories (#3461)

---
 .../iterator/detail/universal_categories.h    | 52 +++++++++----------
 1 file changed, 26 insertions(+), 26 deletions(-)

diff --git a/thrust/thrust/iterator/detail/universal_categories.h b/thrust/thrust/iterator/detail/universal_categories.h
index ea30f076beb..a4447a75013 100644
--- a/thrust/thrust/iterator/detail/universal_categories.h
+++ b/thrust/thrust/iterator/detail/universal_categories.h
@@ -27,39 +27,36 @@
 #endif // no system header
 #include <thrust/iterator/iterator_categories.h>
 
-// XXX eliminate this file
-
+_CCCL_SUPPRESS_DEPRECATED_PUSH
 THRUST_NAMESPACE_BEGIN
 
 // define these types without inheritance to avoid ambiguous conversion to base classes
 
-struct input_universal_iterator_tag
+// deprecated [Since 2.8]
+struct CCCL_DEPRECATED input_universal_iterator_tag{operator input_host_iterator_tag(){return input_host_iterator_tag();
+}
+
+operator input_device_iterator_tag()
 {
-  operator input_host_iterator_tag()
-  {
-    return input_host_iterator_tag();
-  }
+  return input_device_iterator_tag();
+}
+}
+;
 
-  operator input_device_iterator_tag()
-  {
-    return input_device_iterator_tag();
-  }
-};
+// deprecated [Since 2.8]
+struct CCCL_DEPRECATED output_universal_iterator_tag{operator output_host_iterator_tag(){
+  return output_host_iterator_tag();
+}
 
-struct output_universal_iterator_tag
+operator output_device_iterator_tag()
 {
-  operator output_host_iterator_tag()
-  {
-    return output_host_iterator_tag();
-  }
-
-  operator output_device_iterator_tag()
-  {
-    return output_device_iterator_tag();
-  }
-};
+  return output_device_iterator_tag();
+}
+}
+;
 
-struct forward_universal_iterator_tag : input_universal_iterator_tag
+// deprecated [Since 2.8]
+struct CCCL_DEPRECATED forward_universal_iterator_tag : input_universal_iterator_tag
 {
   operator forward_host_iterator_tag()
   {
@@ -72,7 +69,8 @@ struct forward_universal_iterator_tag : input_universal_iterator_tag
   };
 };
 
-struct bidirectional_universal_iterator_tag : forward_universal_iterator_tag
+// deprecated [Since 2.8]
+struct CCCL_DEPRECATED bidirectional_universal_iterator_tag : forward_universal_iterator_tag
 {
   operator bidirectional_host_iterator_tag()
   {
@@ -95,7 +93,8 @@ struct one_degree_of_separation : T
 
 } // namespace detail
 
-struct random_access_universal_iterator_tag
+// deprecated [Since 2.8]
+struct CCCL_DEPRECATED random_access_universal_iterator_tag
 {
   // these conversions are all P0
   operator random_access_host_iterator_tag()
@@ -115,4 +114,5 @@ struct random_access_universal_iterator_tag
   }
 };
 
+_CCCL_SUPPRESS_DEPRECATED_POP
 THRUST_NAMESPACE_END