In c++11, the using keyword when used for type alias is identical to typedef. The identifier following the using. What are the uses of using?
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The using scope modifier is supported in the following contexts: Using using can help you use disposable objects more usefully. From msdn, using statement (c# reference) the using statement ensures that dispose is called even if an exception occurs while you are calling methods on the object.
Use和using的区别为:意思不同、用法不同、词性不同。 一、意思不同 1、use:用,使用。 2、using:利用,运用。 二、用法不同 1、use:use是及物动词,接名词、代词作宾语。也可接由as短.
For example, you can use a. Using the using keyword can be useful. Can you elaborate on that? A using clause can be used with an execute statement in pl/pgsql language (language plpgsql) for a function, procedure and do statement.
Using using helps prevent problems using exceptions. User kokos answered the wonderful hidden features of c# question by mentioning the using keyword. Although i think it would be better to organize like this because it's a lot easier to see what is. Either way, when the using block is exited (either by successful completion or by error) it is closed.