<?php
  
  /**
   * This file is part of the Carbon package.
   *
   * (c) Brian Nesbitt <brian@nesbot.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Carbon\Exceptions;
  
  use RuntimeException as BaseRuntimeException;
  use Throwable;
  
  class ImmutableException extends BaseRuntimeException implements RuntimeException
  {
      /**
       * The value.
       *
       * @var string
       */
      protected $value;
  
      /**
       * Constructor.
       *
       * @param string         $value    the immutable type/value
       * @param int            $code
       * @param Throwable|null $previous
       */
      public function __construct($value, $code = 0, Throwable $previous = null)
      {
          $this->value = $value;
          parent::__construct("$value is immutable.", $code, $previous);
      }
  
      /**
       * Get the value.
       *
       * @return string
       */
      public function getValue(): string
      {
          return $this->value;
      }
  }