P0288R9 move_only_function

stl/inc/yvals_core.h

@@ -278,6 +278,7 @@
 // Other C++20 deprecation warnings
 
 // _HAS_CXX23 directly controls:
+// P0288R9 move_only_function
 // P0401R6 Providing Size Feedback In The Allocator Interface
 // P0448R4 <spanstream>
 // P0943R6 Supporting C Atomics In C++
@@ -1374,9 +1375,10 @@
 #define __cpp_lib_allocate_at_least 202106L
 #endif // __cpp_lib_concepts
 
-#define __cpp_lib_byteswap       202110L
-#define __cpp_lib_invoke_r       202106L
-#define __cpp_lib_is_scoped_enum 202011L
+#define __cpp_lib_byteswap           202110L
+#define __cpp_lib_invoke_r           202106L
+#define __cpp_lib_is_scoped_enum     202011L
+#define __cpp_lib_move_only_function 202110L
 
 #ifdef __cpp_lib_concepts
 #define __cpp_lib_out_ptr                 202106L

tests/std/test.lst

@@ -244,6 +244,7 @@ tests\P0220R1_polymorphic_memory_resources
 tests\P0220R1_sample
 tests\P0220R1_searchers
 tests\P0220R1_string_view
+tests\P0288R9_move_only_function
 tests\P0325R4_to_array
 tests\P0339R6_polymorphic_allocator
 tests\P0355R7_calendars_and_time_zones_clocks

tests/std/tests/GH_000690_overaligned_function/test.cpp

@@ -43,23 +43,28 @@ struct not_overaligned_t {
 
 static_assert(alignof(overaligned_t) > alignof(std::max_align_t), "overaligned_t is not overaligned");
 
-using function_t = std::function<void(const void* storage, std::size_t storage_size)>;
+template <class function_t>
+void test() {
+    struct functions_t {
+        function_t first{overaligned_t{}};
+        char smallest_pad;
+        function_t second{overaligned_t{}};
+        function_t third{overaligned_t{}};
+    };
 
-struct functions_t {
-    function_t first{overaligned_t{}};
-    char smallest_pad;
-    function_t second{overaligned_t{}};
-    function_t third{overaligned_t{}};
-};
-
-int main() {
     functions_t functions;
     functions.first(&functions.first, sizeof(functions.first));
     functions.second(&functions.second, sizeof(functions.second));
     functions.third(&functions.third, sizeof(functions.third));
 
     function_t sfo{not_overaligned_t{}};
     sfo(&sfo, sizeof(sfo));
+}
 
-    return 0;
+
+int main() {
+    test<std::function<void(const void* storage, std::size_t storage_size)>>();
+#ifdef __cpp_lib_move_only_function
+    test<std::move_only_function<void(const void* storage, std::size_t storage_size)>>();
+#endif
 }

tests/std/tests/P0288R9_move_only_function/env.lst

@@ -0,0 +1,4 @@
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+RUNALL_INCLUDE ..\usual_latest_matrix.lst