BeauNouvelle/UIBarbuttonItem Closure In use.swift

## UIBarbuttonItem Closure In use.swift
// Old way of doing things.
let actionButton = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(someMethod()))

// New way of doing things.
let button = UIBarButtonItem(title: "Done", style: .done) { _ in
    // Do stuff here.
}
	// Old way of doing things.
	let actionButton = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(someMethod()))

	// New way of doing things.
	let button = UIBarButtonItem(title: "Done", style: .done) { _ in
	// Do stuff here.
	}