Method _toString

src/expression/node/FunctionNode.js:385–396

* Get string representation * @param {Object} options * @return {string} str

(options)

     * @return {string} str
     */
    _toString (options) {
      const args = this.args.map(function (arg) {
        return arg.toString(options)
      })

      const fn = isFunctionAssignmentNode(this.fn)
        ? ('(' + this.fn.toString(options) + ')')
        : this.fn.toString(options)

      // format the arguments like "add(2, 4.2)"
      return fn + '(' + args.join(', ') + ')'
    }

    /**
     * Get a JSON representation of the node