c namespace

1.using: In order to avoid using namespaces every time, it is necessary to define a namespace by using the use of the content within the namespace for a specific area of the declaration using A::t;//using declaration Use it again to invoke the name

Namespace overviewWhat is a namespace? In a broad sense, namespace is a way to encapsulate things. This abstract concept can be seen in many places. For example, a directory in the operating system is used to group related files. For files in the

C ++ namespace, namespace 　　Namespace)Indicates the visible range of identifier. An identifier can be defined in multiple namespaces. Its meaning in different namespaces is irrelevant. In this way, any identifiers can be defined in a new namespace

PHP namespace namespace function call class reference detailed test analysisIn this test, it is assumed that the index.php page and the test.php page are in the same root directory, which facilitates loading of test.php pages.The prerequisites are

PHP namespace and automatic loading class, PHP namespace loading class. PHP namespaces and automatic loading classes. PHP namespaces are only available after php5.3. This concept has been available in C # for a long time. namesp php namespace and

PHP namespace and automatic loading class, PHP namespace loading class PHP namespace is available only after php5.3. This concept has been available in C # for a long time. The namespace in php is actually the same as that in c. Why use namespace in

C ++ Primer notes (2): namespace, primer namespace Large programs are generally divided into multiple modules, which are developed by collaboration among multiple people, and libraries are inevitably used. The Code of each module and the library

Namespace is a very important concept of C + +, this article in the form of an in-depth analysis of the case, the specific contents are as follows: Typically, in C + +, the purpose of a namespace (namespace) is to prevent name collisions. Each

Autocrat C ++ namespace Familiar with the C/C ++ language, familiar with the Windows development platform, skilled in using the MFC self-editor to develop some applications;Familiar with SQL statements, good understanding of databases, and skillful

In C ++, a name can be a symbolic constant, variable, Macro, function, structure, enumeration, class, and object. To avoid conflicts between the names of these identifiers during large-scale program design and when programmers use a variety of C ++