Swift汎用プロトコルでの使用

protocol TestProtocol {
    associatedtype TestElement
    func run(_ param: TestElement)
}

class TestObject: TestProtocol {
    typealias TestElement = Int
    
    func run(_ param: Int) {
        if param == 1 {
            print("run")
        }else {
            print("wrong number")
        }
    }
}

struct TestStruct: TestProtocol {
    typealias TestElement = String
    
    func run(_ param: String) {
        if param == "asd" {
            print("run")
        }else {
            print("wrong string")
        }
    }
}

let t = TestObject()
t.run(1)

let t2 = TestStruct()
t2.run("wer")