/* * 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 com.facebook.presto.util; import com.google.common.collect.Iterables; import com.google.common.collect.Sets; import java.util.Set; import static java.util.Objects.requireNonNull; public class MoreSets { private MoreSets() {} public static <T> Set<T> newIdentityHashSet() { return Sets.newIdentityHashSet(); } public static <T> Set<T> newIdentityHashSet(Iterable<T> elements) { Set<T> set = newIdentityHashSet(); Iterables.addAll(set, requireNonNull(elements, "elements cannot be null")); return set; } }