<commit_before>/*
 * Copyright 2011 Twitter, Inc.
 *
 * 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.twitter.util

import scala.collection.mutable.ListBuffer

/**
 * You can import Config._ if you want the auto-conversions in a class
 * that does not inherit from trait Config.
 */
object Config {
  sealed trait Required[+A] {
    def value: A
  }

  case class Specified[A](value: A) extends Required[A]

  case object Unspecified extends Required[scala.Nothing] {
    def value = throw new NoSuchElementException
  }

  class RequiredValuesMissing(names: Seq[String]) extends Exception(names.mkString(","))

  class Computed[A](f: => A) {
    lazy val value = f
  }

  /**
   * Config classes that don't produce anything via an apply() method
   * can extends Config.Nothing, and still get access to the Required
   * classes and methods.<commit_msg>[split] added isEmpty and isSpecified to Required<commit_after>/*
 * Copyright 2011 Twitter, Inc.
 *
 * 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.twitter.util

import scala.collection.mutable.ListBuffer

/**
 * You can import Config._ if you want the auto-conversions in a class
 * that does not inherit from trait Config.
 */
object Config {
  sealed trait Required[+A] {
    def value: A
    def isSpecified: Boolean
    def isEmpty = !isSpecified
  }

  case class Specified[A](value: A) extends Required[A] {
    def isSpecified = true
  }

  case object Unspecified extends Required[scala.Nothing] {
    def value = throw new NoSuchElementException
    def isSpecified = false
  }

  class RequiredValuesMissing(names: Seq[String]) extends Exception(names.mkString(","))

  class Computed[A](f: => A) {
    lazy val value = f
  }

  /**
   * Config classes that don't produce anything via an apply() method
   * can extends Config.Nothing, and still get access to the Required
   * classes and methods.
{'fraction_non_alphanumeric': 0.0827894194434902, 'fraction_numerical': 0.005496392992098935, 'mean_word_length': 3.6222222222222222, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5624887', 'n_tokens_mistral': 795, 'n_tokens_neox': 775, 'n_words': 347}