1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <functional>
10 // REQUIRES: c++03 || c++11 || c++14
11
12 // class function<R(ArgTypes...)>
13
14 // template<class A> function(allocator_arg_t, const A&, nullptr_t);
15 //
16 // This signature was removed in C++17
17
18 // This test runs in C++03, but we have deprecated using std::function in C++03.
19 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX03_FUNCTION
20
21 #include <functional>
22 #include <cassert>
23
24 #include "test_macros.h"
25 #include "min_allocator.h"
26
main(int,char **)27 int main(int, char**)
28 {
29 std::function<int(int)> f(std::allocator_arg, bare_allocator<int>(), nullptr);
30 assert(!f);
31
32 return 0;
33 }
34