Using Myapp Wholefoods Helps Employees Stay Connected With Their Local Team And Receive Important Updates From The Corporate Office

Either way, when the using block is exited (either by successful completion or by error) it is closed.

Using Myapp Wholefoods Helps Employees Stay Connected With Their Local Team And Receive Important Updates From The Corporate Office 1

Although i think it would be better to organize like this because it's a lot easier to see.

Updating the using keyword was specifically for templates, and (as was pointed out in the accepted answer) when you are working with non-templates using and typedef are.

Using Myapp Wholefoods Helps Employees Stay Connected With Their Local Team And Receive Important Updates From The Corporate Office 3

In other word, if you know that the initialization of a variable in using may throw a particular exception, i wrap it with try-catch.

Similarly, if within using body something may happen, which.

Using Myapp Wholefoods Helps Employees Stay Connected With Their Local Team And Receive Important Updates From The Corporate Office 5

Using calls dispose() after the using -block is left, even if the code throws an exception.

So you usually use using for classes that require cleaning up after them, like io.

The problem with putting using namespace in the header files of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i. e.