1
2 //===----------------------------------------------------------------------===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // <optional> feature macros
12
13 /* Constant Value
14 __cpp_lib_optional 201606L
15
16 */
17
18 #include <optional>
19 #include <cassert>
20 #include "test_macros.h"
21
main()22 int main()
23 {
24 // ensure that the macros that are supposed to be defined in <optional> are defined.
25
26 /*
27 #if !defined(__cpp_lib_fooby)
28 # error "__cpp_lib_fooby is not defined"
29 #elif __cpp_lib_fooby < 201606L
30 # error "__cpp_lib_fooby has an invalid value"
31 #endif
32 */
33 }
34