crashpad/util/misc/arraysize.h
Avi Drissman c8a016b99d Remove base's arraysize from Crashpad.
BUG=837308
R=mark@chromium.org

Change-Id: Ibecbfc7bc2d61ee54bc1114e4b20978adbc77db2
Reviewed-on: https://chromium-review.googlesource.com/c/1393921
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
2019-01-03 19:44:15 +00:00

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// Copyright 2019 The Crashpad Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CRASHPAD_UTIL_MISC_ARRAYSIZE_H_
#define CRASHPAD_UTIL_MISC_ARRAYSIZE_H_
#include <sys/types.h> // For size_t.
#include <type_traits>
//! \file
namespace crashpad {
namespace internal {
//! \brief A helper to implement ArraySize.
template <typename ArrayType>
constexpr size_t ArraySizeHelper() noexcept {
return std::extent<typename std::remove_reference<ArrayType>::type>::value;
}
} // namespace internal
} // namespace crashpad
//! \brief A way of computing an arrays size.
#define ArraySize(array) crashpad::internal::ArraySizeHelper<decltype(array)>()
#endif // CRASHPAD_UTIL_MISC_ARRAYSIZE_H_