27 lines
694 B
C++
27 lines
694 B
C++
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
||
|
|
// Source Licenses. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// <optional>
|
||
|
|
|
||
|
|
// class bad_optional_access is not default constructible
|
||
|
|
|
||
|
|
#include <optional>
|
||
|
|
#include <type_traits>
|
||
|
|
|
||
|
|
#if _LIBCPP_STD_VER > 11
|
||
|
|
|
||
|
|
#endif // _LIBCPP_STD_VER > 11
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
#if _LIBCPP_STD_VER > 11
|
||
|
|
static_assert(!std::is_default_constructible<std::bad_optional_access>::value, "");
|
||
|
|
#endif // _LIBCPP_STD_VER > 11
|
||
|
|
}
|