yalantinglibs/include/ylt/struct_pack/size_info.hpp

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C++

/*
* Copyright (c) 2023, Alibaba Group Holding Limited;
*
* 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.
*/
#pragma once
#include <algorithm>
namespace struct_pack::detail {
struct size_info {
std::size_t total;
std::size_t size_cnt;
std::size_t max_size;
constexpr size_info &operator+=(const size_info &other) {
this->total += other.total;
this->size_cnt += other.size_cnt;
this->max_size = (std::max)(this->max_size, other.max_size);
return *this;
}
constexpr size_info operator+(const size_info &other) {
return {this->total + other.total, this->size_cnt + other.size_cnt,
(std::max)(this->max_size, other.max_size)};
}
};
} // namespace struct_pack::detail