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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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37
test/std/utilities/optional/optional.object/optional.object.observe/bool.pass.cpp
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@@ -1,37 +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>
// constexpr explicit optional<T>::operator bool() const noexcept;
#include <optional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main()
{
using std::optional;
{
const optional<int> opt; ((void)opt);
ASSERT_NOEXCEPT(bool(opt));
static_assert(!std::is_convertible<optional<int>, bool>::value, "");
}
{
constexpr optional<int> opt;
static_assert(!opt, "");
}
{
constexpr optional<int> opt(0);
static_assert(opt, "");
}
}