text: import Distribution from './_distribution'
  
  /**
   * Generator of an invalid (not implemented) distribution. Only for testing purposes.
   *
   * @class InvalidDiscrete
   * @memberof ran.dist
   * @private
   */
  export default class extends Distribution {
    constructor () {
      super('discrete', arguments.length)
      this.s = [{
        value: -Infinity,
        closed: false
      }, {
        value: Infinity,
        closed: false
      }]
    }
  }
  