swift笔记 -----闭包的定义和使用

///带一个int参数的
///定义
    typealias titleClickBlock = (Int) ->Void
    public var tclickBlock:titleClickBlock?
///传值
tclickBlock?(sender.tag)
///调用
cell.tclickBlock = {(selectedIndex) in
         
}
///无参无返回
///定义
    typealias ViewClickBlock = () ->Void
    public var viewClickBlock:ViewClickBlock！
///传
if viewClickBlock != nil{
            viewClickBlock()
}
///调用
view.viewClickBlock = {
           printDebugLog(message: "无参无返回")
}