From 6e8926ed51ec92a5f263b88324668b3fb0dec494 Mon Sep 17 00:00:00 2001
From: Bernhard Manfred Gruber <bernhardmgruber@gmail.com>
Date: Wed, 15 Jan 2025 14:38:41 +0100
Subject: [PATCH] Make discard_iterator value_type void

Fixes: #3399
---
 thrust/thrust/iterator/detail/discard_iterator_base.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/thrust/thrust/iterator/detail/discard_iterator_base.h b/thrust/thrust/iterator/detail/discard_iterator_base.h
index 7f4e637bbc4..f0f781b5607 100644
--- a/thrust/thrust/iterator/detail/discard_iterator_base.h
+++ b/thrust/thrust/iterator/detail/discard_iterator_base.h
@@ -43,10 +43,8 @@ namespace detail
 template <typename System>
 struct discard_iterator_base
 {
-  // XXX value_type should actually be void
-  //     but this interferes with zip_iterator<discard_iterator>
-  using value_type    = any_assign;
-  using reference     = any_assign&;
+  using value_type    = void;
+  using reference     = void;
   using incrementable = std::ptrdiff_t;
 
   using base_iterator = typename thrust::counting_iterator<incrementable, System, thrust::random_access_traversal_tag>;