lazy var foo = UILabel().then {
   $0.textAlignment = .center
   $0.textColor = .black
   $0.text = "Hello, World!"
}

lazy var foo = Gaine(UILabel()) {
   $0.textAlignment = .center
   $0.textColor = .black
   $0.text = "Hello, World!"
}

class MyType {
    var name: String?
}

/// we need to write this line to make custom type confirm `Then` protocol
extension MyType: Then {}

class Demo {

    lazy var foo = MyType().then {
        $0.name = "value"
    }
}

class MyType {
    var name: String?
}

/// we don't need to write any more code for custom type
class Demo {

    lazy var foo = Gaine(MyType()) {
        $0.name = "value"
    }
}

class Demo {

    /// we need to use another keyword `with`
    lazy var foo = CGSize().with {
        $0.width = 100
        $0.height = 200
    }
}

class Demo {

    /// the way to initialize is same
    lazy var foo = Gaine(CGSize()) {
       $0.width = 100
       $0.height = 200
    }
}