func f<X: Equatable>(_ x: X) {} f(Int.self) error: TempGround.playground:2:3: error: argument type 'Int.Type' does not conform to expected type 'Equatable'func f<X: Equatable>(_ x: X) {} f(Int.self) error: TempGround.playground:2:3: error: argument type 'Int.Type' does not conform to expected type 'Equatable'