From 4b40364d6d110b130207bc498791e00050f94d6b Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Fri, 11 Oct 2024 01:04:21 +0300
Subject: [PATCH] Work around compilation errors on clang-10 through 12.

---
 test/function_output_iterator_test.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/test/function_output_iterator_test.cpp b/test/function_output_iterator_test.cpp
index cf721c6..c18592d 100644
--- a/test/function_output_iterator_test.cpp
+++ b/test/function_output_iterator_test.cpp
@@ -60,9 +60,10 @@ int main()
 #endif
 
 #if defined(__cpp_lib_concepts) && ( __cpp_lib_concepts >= 202002L )
-
-    static_assert(std::output_iterator<decltype(boost::function_output_iterator([](int p) {  })), int>);
-
+    {
+        auto func = [](int) {};
+        static_assert(std::output_iterator< boost::iterators::function_output_iterator< decltype(func) >, int >);
+    }
 #endif
 
     return boost::report_errors();