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 11 // UNSUPPORTED: c++03, c++11, c++14 12 13 // class function<R(ArgTypes...)> 14 15 // template<class A> function(allocator_arg_t, const A&, const function&); 16 // 17 // This signature was removed in C++17 18 19 #include <functional> 20 #include <cassert> 21 #include <memory> 22 23 #include "test_macros.h" 24 25 int main(int, char**) 26 { 27 typedef std::function<void(int)> F; 28 F f1; 29 F f2(std::allocator_arg, std::allocator<int>(), f1); // expected-error {{no matching constructor for initialization of}} 30 return 0; 31 } 32