Github user dkuppitz commented on a diff in the pull request: https://github.com/apache/tinkerpop/pull/876#discussion_r202456800 --- Diff: gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/traverser/B_LP_NL_O_P_S_SE_SL_Traverser.java --- @@ -0,0 +1,156 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.tinkerpop.gremlin.process.traversal.traverser; + +import org.apache.commons.collections.map.ReferenceMap; +import org.apache.tinkerpop.gremlin.process.traversal.Step; +import org.apache.tinkerpop.gremlin.process.traversal.traverser.util.LabelledCounter; + + +import java.util.Iterator; +import java.util.Stack; + +public class B_LP_NL_O_P_S_SE_SL_Traverser<T> extends B_LP_O_P_S_SE_SL_Traverser<T> { + + protected Stack<LabelledCounter> nestedLoops; + protected ReferenceMap loopNames = null; --- End diff -- Hmm, to be realistic, I don't expect more than 2 or 3 named repeat steps in a single traversal, so an index for the names might really not be necessary (IMO).
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