由于的Int32是值类型为什么它继承的ToString（）？ [英] Since Int32 is a value type why does it inherit .ToString()?

问题描述

这些都是文档约的ToString （）这促使了这个问题。他们指出：

These are the docs about .ToString() that has prompted this question. They state:

由于对象是在.NET中所有引用类型的基类   框架，这种行为[的ToString（）被引用类型继承的不   重写ToString方法。

Because Object is the base class of all reference types in the .NET Framework, this behavior [.ToString()] is inherited by reference types that do not override the ToString method.

再进一步​​就可以进入状态：

Yet further on it goes to state:

例如，基本类型，如字符，的Int32和String提供的ToString实现

For example, the base types such as Char, Int32, and String provide ToString implementations

不过的Int32是结构，因此必须用值类型的。

However Int32 is a struct and hence must be a value type.

所以，这是怎么回事吗？是否的Int32实现它自己的ToString（），其中有无关对象？

So what's going on here? Does Int32 implement it's very own .ToString() which has nothing to do with Object?

推荐答案

的Int32是一个结构，因此值类型。 但是：

Int32 is a struct and therefore a value type. But:

System.Object
   System.ValueType
      System.Int32

的Int32源于System.ValueType这本身就来源于System.Object的。等瞧...

Int32 derives from System.ValueType and this itself derives from System.Object. Et voilà...

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