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extension ViewModelBindable where Self: AnyObject { | |
public var viewModel: ViewModel? { | |
// store view model | |
} | |
} |
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public protocol ViewModelBindable: class { | |
typealias ViewModel | |
var viewModel: ViewModel? { get set } | |
func bindViewModel(viewModel: ViewModel) | |
func unbindViewModel(viewModel: ViewModel) |
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public class MyViewController: UIViewController { | |
var viewModel: MyViewModel? { | |
willSet(maybeViewModel) { | |
if let _ = self.viewModel { | |
unbindViewModel() | |
} | |
} | |
didSet { | |
if isViewLoaded(), let viewModel = self.viewModel { |
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