Swifty, modern UIAlertController wrapper.
ShortHandler
https://github.com/sgr-ksmt/Alertift/pull/37
Support Xcode10/Swift4.2
Alertift v3.2 corresponds to Swift 4.1 🎉
Protocol-Oriented-AlertType
using associatedtype and protocol.titleTextAlignment/messageTextAlignment
popover(barButtonItem:)