Method astFunction

src/backend/function-node.js:999–1001

* @abstract * @param {Object} ast * @param {String[]} retArr * @returns {String[]}

(ast, retArr)

   * @returns {String[]}
   */
  astFunction(ast, retArr) {
    throw new Error(`"astFunction" not defined on ${ this.constructor.name }`);
  }

  /**
   * @desc Parses the abstract syntax tree for to its *named function declaration*