Mar 8, 2017 · User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using?

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 …

Oct 29, 2019 · using var disposable = new Disposable(); // Do something What is the difference between using and await using? How should I decide which one to use?

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 …

Dec 27, 2013 · 183 In C++11, the using keyword when used for type alias is identical to typedef. 7.1.3.2 A typedef-name can also be introduced by an alias-declaration. The identifier following …

Feb 19, 2021 · In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility …

The using statement is used to work with an object in C# that implements the IDisposable interface. The IDisposable interface has one public method called Dispose that is used to …

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. …

Yes Yes. Either way, when the using block is exited (either by successful completion or by error) it is closed. Although I think it would be better to organize like this because it's a lot easier to see …

There seem to be different views on using 'using' with respect to the std namespace. Some say use ' using namespace std', other say don't but rather prefix std functions that are to be used …