swift2.0 Generics の優先順 ref: http://qiita.com/MTattin/items/51c11efba68f3e42e39d

file0.swift

protocol Count {

    typealias CountType
    var count: CountType{ get }

    typealias BolType
    var bl: BolType{ get }

}

class testVC: UIViewController, Count {

    var num:    Int = 30
    var count:  Int {
        return num
    }

    var truue:  Bool = true
    var bl:     Bool {
        return truue
    }

    func f<T:Any>               (v:T) { print("Any              \(v)") }
    func f<T:UIView>            (v:T) { print("UIView           \(v)") }
    func f<T:Count>             (v:T) { print("Count            \(v)") }
    func f<T:UIViewController>  (v:T) { print("UIViewController \(v)") }
    func f<T:testVC>            (v:T) { print("testVC           \(v)") }

    // Where制約（EquatableとComparableとHashable）

    // Int（ComparableとHashable同時定義はエラー）
    func fI<T:Count>                              (v:T) { print("I ---        \(v)") }
    func fI<T:Count where T.CountType: Comparable>(v:T) { print("I Comparable \(v)") }
    func fI<T:Count where T.CountType: Equatable> (v:T) { print("I Equatable  \(v)") }

    func fJ<T:Count>                              (v:T) { print("J ---        \(v)") }
    func fJ<T:Count where T.CountType: Hashable>  (v:T) { print("J Hashable   \(v)") }
    func fJ<T:Count where T.CountType: Equatable> (v:T) { print("J Equatable  \(v)") }

    func fK<T:Count>                              (v:T) { print("K ---        \(v)") }
    func fK<T:Count where T.CountType: Equatable> (v:T) { print("K Equatable  \(v)") }

    // Bool（Comparableは定義できないのでそれのみはエラー）
    func fB<T:Count>                              (v:T) { print("B ---        \(v)") }
    func fB<T:Count where T.BolType: Hashable>    (v:T) { print("B Hashable   \(v)") }
    func fB<T:Count where T.BolType: Equatable>   (v:T) { print("B Equatable  \(v)") }
    func fB<T:Count where T.BolType: Comparable>  (v:T) { print("B Comparable \(v)") }

    func fC<T:Count>                              (v:T) { print("C ---        \(v)") }
    func fC<T:Count where T.BolType: Equatable>   (v:T) { print("C Equatable  \(v)") }
    func fC<T:Count where T.BolType: Comparable>  (v:T) { print("C Comparable \(v)") }

    func fD<T:Count>                              (v:T) { print("D ---        \(v)") }
    func fD<T:Count where T.BolType: Comparable>  (v:T) { print("D Comparable \(v)") }

    override func viewDidLoad() {
        super.viewDidLoad()

        let v1: UIView = self.view
        let v2: UIView = UIView()

        f(self)
        f(UIViewController())
        f(self.view)
        f(v1)
        f(v2)
        f()

        fI(self)
        fJ(self)
        fK(self)

        fB(self)
        fC(self)
        fD(self)
    }
}

file1.txt

testVC           <SymPlayer.testVC: 0x7f9961a4ab00>
UIViewController <UIViewController: 0x7f99605b3400>
Any              <UIView: 0x7f99605b0aa0; 省略>
UIView           <UIView: 0x7f99605b0aa0; 省略>
UIView           <UIView: 0x7f9960547520; 省略>
Any              ()
I Comparable <SymPlayer.testVC: 0x7f87c250cee0>
J Hashable   <SymPlayer.testVC: 0x7f87c250cee0>
K Equatable  <SymPlayer.testVC: 0x7f87c250cee0>
B Hashable   <SymPlayer.testVC: 0x7f87c250cee0>
C Equatable  <SymPlayer.testVC: 0x7f87c250cee0>
D ---        <SymPlayer.testVC: 0x7f87c250cee0>

file2.swift

var view: UIView!

file3.swift

        let v3: UIView? = UIView()
        let v4: UIView! = UIView()

        f(v3)
        f(v4)
        f(v3 as UIView!)
        f(v4 as UIView)

file4.txt

Any              Optional(<UIView: 0x7fc0195efe20; 省略>)
Any              <UIView: 0x7fc0195c9290; 省略>
Any              <UIView: 0x7fc0195efe20; 省略>
UIView           <UIView: 0x7fc0195c9290; 省略>