d52d761c23
`[[nodiscard]]` should be applied to functions where discarding the return value is most likely a correctness issue. - https://libcxx.llvm.org/CodingGuidelines.html There appears to be an issue with annotating `operator*` and `operator/`, see: https://llvm.org/PR171031 --------- Co-authored-by: A. Jiang <de34@live.cn>
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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, c++20, c++23
|
|
|
|
// <complex>
|
|
|
|
// template<size_t I, class T>
|
|
// constexpr T& get(complex<T>&) noexcept;
|
|
// template<size_t I, class T>
|
|
// constexpr T&& get(complex<T>&&) noexcept;
|
|
// template<size_t I, class T>
|
|
// constexpr const T& get(const complex<T>&) noexcept;
|
|
// template<size_t I, class T>
|
|
// constexpr const T&& get(const complex<T>&&) noexcept;
|
|
|
|
#include <cassert>
|
|
#include <complex>
|
|
#include <utility>
|
|
|
|
template <typename T>
|
|
void test() {
|
|
using C = std::complex<T>;
|
|
|
|
// &
|
|
{
|
|
C c{T{27}, T{28}};
|
|
// expected-error-re@*:* 3{{static assertion failed {{.*}}Index value is out of range.}}
|
|
(void)std::get<3>(c);
|
|
}
|
|
// &&
|
|
{
|
|
C c{T{27}, T{28}};
|
|
// expected-error-re@*:* 3 {{static assertion failed {{.*}}Index value is out of range.}}
|
|
(void)std::get<3>(std::move(c));
|
|
}
|
|
// const &
|
|
{
|
|
const C c{T{27}, T{28}};
|
|
// expected-error-re@*:* 3 {{static assertion failed {{.*}}Index value is out of range.}}
|
|
(void)std::get<3>(c);
|
|
}
|
|
// const &&
|
|
{
|
|
const C c{T{27}, T{28}};
|
|
// expected-error-re@*:* 3 {{static assertion failed {{.*}}Index value is out of range.}}
|
|
(void)std::get<3>(std::move(c));
|
|
}
|
|
}
|
|
|
|
void test() {
|
|
test<float>();
|
|
test<double>();
|
|
test<long double>();
|
|
}
|