Revert Add <optional>. Will recommit with better commit message

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@283978 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-10-12 06:48:31 +00:00
parent fbc80168bb
commit ead5d404cc
86 changed files with 55 additions and 8467 deletions

View File

@@ -1,38 +0,0 @@
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <optional>
// struct nullopt_t{see below};
// constexpr nullopt_t nullopt(unspecified);
#include <optional>
#include <type_traits>
using std::optional;
using std::nullopt_t;
using std::nullopt;
constexpr
int
test(const nullopt_t&)
{
return 3;
}
int main()
{
static_assert((std::is_class<nullopt_t>::value), "");
static_assert((std::is_empty<nullopt_t>::value), "");
static_assert((std::is_literal_type<nullopt_t>::value), "");
static_assert((!std::is_default_constructible<nullopt_t>::value), "");
static_assert(test(nullopt) == 3, "");
}