/*
 * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

// Copyright (C) 2020-2023 Brian Norman
//
// 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 sample;

data class Person(
  val firstName: String,
  val lastName: String,
) {
  init {
    require(firstName.isNotBlank())
    require(lastName.isNotBlank())
  }

  companion object {
    val UNKNOWN = listOf(Person("John", "Doe"), Person("Jane", "Doe"))
    override fun toString() = "Person.Companion"
  }
}