init-class-root-failableinit

class init - Swift initializers pt. 2 (Example for failing init.swift)

// Designated init
init?(name: String, height: String, weight: String) {
	if name.isEmpty || height.isEmpty || weight.isEmpty { return nil }
	self.name = name
	self.height = height
	self.weight = weight
}

// Convenience init
convenience init?(firstName: String, lastName: String, height: String, weight: String) {
	let fullName = "\(firstName) \(lastName)"
	if fullName.isEmpty || height.isEmpty || weight.isEmpty { return nil }
	self.init(name: fullName, height: height, weight: weight)
}