text: /* 
   * Copyright 2018, Emanuel Rabina (http://www.ultraq.net.nz/)
   * 
   * 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.
   */
  
  /**
   * A special kind of expression that requires the referenced rule consume all
   * available input.
   * 
   * @param {String} ruleName
   * @return {Matchable}
   */
  export const AllInput = ruleName => (input, parser) => {
  	let matchResult = parser.parseWithExpression(input, ruleName);
  	return matchResult !== null && input.exhausted() ? matchResult : null;
  };
  