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rxjava2-extensions developed by David Karnok

There is a newer version: 0.20.10

/*
 * Copyright 2016-2018 David Karnok
 *
 * 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.
 */

package hu.akarnokd.rxjava2.operators;

/**
 * Represents the strategies for recursive expansion with the {@code expand()} operator.
 * @since 0.16.1
 */
public enum ExpandStrategy {

    /**
     * Expands the first item recursively before expanding the second.
     */
    DEPTH_FIRST,
    /**
     * Walk the first level of items, then walk the second level items recursively.
     */
    BREADTH_FIRST
}