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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <functional>
// UNSUPPORTED: c++03, c++11, c++14
// class function<R(ArgTypes...)>
// template<class A> function(allocator_arg_t, const A&, function&&);
//
// This signature was removed in C++17
#include <functional>
#include <memory>
#include <utility>
class A
{
int data_[10];
public:
static int count;
A()
{
++count;
for (int i = 0; i < 10; ++i)
data_[i] = i;
}
A(const A&) {++count;}
~A() {--count;}
int operator()(int i) const
{
for (int j = 0; j < 10; ++j)
i += data_[j];
return i;
}
};
int A::count = 0;
int g(int) { return 0; }
void f() {
std::function<int(int)> f = A();
std::function<int(int)> f2(std::allocator_arg, std::allocator<A>(), std::move(f)); // expected-error {{no matching constructor for initialization of}}
}
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