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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// <atomic>
// explicit atomic_ref(T&);
#include <atomic>
#include <type_traits>
#include "atomic_helpers.h"
#include "test_macros.h"
template <typename T>
struct TestCtor {
void operator()() const {
// check that the constructor is explicit
static_assert(!std::is_convertible_v<T, std::atomic_ref<T>>);
static_assert(std::is_constructible_v<std::atomic_ref<T>, T&>);
T x(T(0));
std::atomic_ref<T> a(x);
(void)a;
}
};
int main(int, char**) {
TestEachAtomicType<TestCtor>()();
return 0;
}
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