How can I use this?

[MourinhoLove]

I want to use this for my project.
when I import HGPlaceholders.then set
var placeholderTableView: TableView?
placeholderTableView = self.tableView as? TableView
But The placeholderTableView is nil.
How can I fix this?
Thank you.

[happiehappie]

Maybe elaborate on how you created/initialise your tableview? cause it doesn't seem like you're using storyboard?

[MourinhoLove]

也许详细介绍如何创建/初始化表格视图？原因似乎不是您正在使用情节提要吗？

hhhh.I know how to use this. Thank you.