/*
 * Copyright 2011-2021 the original author or authors.
 *
 * 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 dev.failsafe.internal.util;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * List utilities.
 *
 * @author Jonathan Halterman
 */
public final class Lists {
  private Lists() {
  }

  /**
   * Returns a list containing the {@code first} element followed by the {@code rest}.
   */
  public static <T> List<T> of(T first, T[] rest) {
    List<T> result = new ArrayList<>(rest.length + 1);
    result.add(first);
    Collections.addAll(result, rest);
    return result;
  }
}
