[cs] 如何在一个函数体内给泛型赋值？

例如

    public UnityEngine.Component GetComponent(System.Type type) {}

    // metadata token 060018FE
    public T GetComponent<T>() where T : UnityEngine.Component {
        return (T)(this.GetComponent(typeof(T)) as T);
     }

怎么反推上面2个函数

public UnityEngine.Component GetComponent(System.Type type) {

        //这里怎么调用  T GetComponent<T>()？ type赋值<T>
}

 public UnityEngine.Component GetComponent(System.Type type) {

        return GetComponent<UnityEngine.Component>();
}

最好是泛型调用非泛型。
如果反过来，用类型参数来调用泛型，那么就要用到反射，效率不高：

public UnityEngine.Component GetComponent(System.Type type)
{
    var methodInfo = this.GetType().GetMethod("GetComponent", Type.EmptyTypes);
    var methodInfo_t = methodInfo.MakeGenericMethod(type);
    return methodInfo_t.Invoke(this, null) as UnityEngine.Component;
}