How to use the Scope attribute in C # and VC++

This article introduces the knowledge of "how to use Scope attributes in C # and VC++". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Application of Scope attribute in VC++:

Int i; for (int iTuno;); for (int iTuno;)

The for loop of VC++ is defined as the same scope as outside the loop, so any combination of the above two lines fails compilation, but the advantage is that I can be used outside the for loop

Application of Scope attribute in C #:

Each for loop is independent of a scope, so you can use it like this

For (int iTuno;); for (int iTuno;)

But in C #, the child scope cannot repeat the naming of the parent scope and the child scope of C++ overrides the parent scope.

Another thing to note about the Scope attribute is:

C++ primer mentioned that the for loop in the standard C++ is an independent Scope! Completely different from VC++!

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