llvm-project/libcxx/test/std/utilities/utility/utility.underlying/to_underlying.verify.cpp

25 lines
796 B
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
// [utility.underlying], to_underlying
// template <class T>
// constexpr underlying_type_t<T> to_underlying( T value ) noexcept; // C++2b
#include <utility>
struct S {};
int main(int, char**) {
std::to_underlying(125); // expected-error {{no matching function for call}}
std::to_underlying(S{}); // expected-error {{no matching function for call}}
return 0;
}