folly/folly/stats/detail/SlidingWindow.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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 <cstddef>
#include <vector>

#include <folly/Function.h>

namespace folly {
namespace detail {

/*
 * This class represents a sliding window that can be used to track stats over
 * time. Buckets are dropped and new ones are added with the slide() method.
 * New buckets are created with the constructor function given at construction.
 */
template <typename BucketT>
class SlidingWindow { … };

} // namespace detail
} // namespace folly

#include <folly/stats/detail/SlidingWindow-inl.h>