我正在为我的 Serializer 类添加一个新的通用 Serialize 方法。旧的肯定已经过时了。
[XmlRoot("a")]
public class A
{
[XmlElement("field")]
public string Field;
}
class Program
{
static void Main(string[] args)
{
A a = new A();
a.Field = "filed value";
Console.WriteLine(Serialize(a));//this calls generic version !?
Console.WriteLine();
Console.WriteLine(Serialize(null));//ok
Console.WriteLine();
Console.WriteLine(Serialize<A>(a));//ok, we explicitly called generic version
}
[Obsolete("Use Serialize<T> instead")]
public static string Serialize(Object pObject)
{
return "You have called old Serialize method";
}
public static string Serialize<T>(T value)
{
return "You have called new Serialize<T> method";
}
}
预期结果应该是:
You have called old Serialize method
You have called old Serialize method
You have called new Serialize<T> method
但结果是:
You have called new Serialize<T> method
You have called old Serialize method
You have called new Serialize<T> method
那么为什么 Serialize(a) 调用通用版本呢?通用过时方法是否存在错误?