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

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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
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40
test/std/utilities/optional/optional.nullops/less_equal.pass.cpp
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@@ -1,40 +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>
// template <class T> constexpr bool operator<=(const optional<T>& x, nullopt_t) noexcept;
// template <class T> constexpr bool operator<=(nullopt_t, const optional<T>& x) noexcept;
#include <optional>
int main()
{
using std::optional;
using std::nullopt_t;
using std::nullopt;
{
typedef int T;
typedef optional<T> O;
constexpr O o1; // disengaged
constexpr O o2{1}; // engaged
static_assert ( (nullopt <= o1), "" );
static_assert ( (nullopt <= o2), "" );
static_assert ( (o1 <= nullopt), "" );
static_assert ( !(o2 <= nullopt), "" );
static_assert (noexcept(nullopt <= o1), "");
static_assert (noexcept(o1 <= nullopt), "");
}
}