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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
//
//===----------------------------------------------------------------------===//
// [func.require]
#include <type_traits>
#include <functional>
#include "test_macros.h"
template <typename T, int N>
struct Array
{
typedef T type[N];
};
struct Type
{
Array<char, 1>::type& f1();
Array<char, 2>::type& f2() const;
#if TEST_STD_VER >= 11
Array<char, 1>::type& g1() &;
Array<char, 2>::type& g2() const &;
Array<char, 3>::type& g3() &&;
Array<char, 4>::type& g4() const &&;
#endif
};
int main(int, char**)
{
static_assert(sizeof(std::__invoke(&Type::f1, std::declval<Type >())) == 1, "");
static_assert(sizeof(std::__invoke(&Type::f2, std::declval<Type const >())) == 2, "");
#if TEST_STD_VER >= 11
static_assert(sizeof(std::__invoke(&Type::g1, std::declval<Type &>())) == 1, "");
static_assert(sizeof(std::__invoke(&Type::g2, std::declval<Type const &>())) == 2, "");
static_assert(sizeof(std::__invoke(&Type::g3, std::declval<Type &&>())) == 3, "");
static_assert(sizeof(std::__invoke(&Type::g4, std::declval<Type const&&>())) == 4, "");
#endif
return 0;
}
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