     }
 
     /// 描述类名的字符串
-    ///
     /// - Parameter className: 要转换成字符串的类
     /// - Returns: 转换后的字符串
     private func string(from className: AnyClass) -> String? {

import UIKit

extension RGAppTools where Base: UIScrollView {
    /// 注册 Table View / Collection View 的 Cell
    ///
    /// - Parameter cellClass: Cell 类
    public func registerNibCell(with cellClass: AnyClass) {
        if let nibName = string(from: cellClass) {

    }

    /// 注册 Table View 的 Header / Footer
    /// - Parameter viewClass: Header / Footer 类
    public func registerNibHeaderFooter(with viewClass: AnyClass) {
        if let nibName = string(from: viewClass) {
