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&, nullptr_t); 16 // 17 // This signature was removed in C++17 18 19 #include <functional> 20 #include <cassert> 21 22 #include "min_allocator.h" 23 24 int main(int, char**) 25 { 26 std::function<int(int)> f(std::allocator_arg, std::allocator<int>(), nullptr); // expected-error {{no matching constructor for initialization of}} 27 return 0; 28 } 29