nested 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

The namespace in PHP is described in detail. The namespace in PHP is described in detail. The php namespace overview PHP's support for namespaces has gone through a difficult journey. Fortunately, PHP introduced namespaces from 5.3. From the

PHP namespace details, php namespace Overview PHP's support for namespaces has gone through a difficult journey. Fortunately, PHP introduced namespaces from 5.3. Since PHP introduced namespace, the applicable structure of PHP Code has also been

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. The namespace in PHP is described in detail. This article mainly introduces the namespace in PHP) concept, namespace being used, and namespace definition in PHP This article mainly introduces the namespace in PHP and explains the namespace)

PHP namespace details This article mainly introduces the namespace in PHP and explains the namespace) for more information, see Overview PHP's support for namespaces has gone through a difficult journey. Fortunately, PHP introduced namespaces from 5.

This article mainly introduces the namespace in PHP and explains the namespace) for more information, see Overview PHP's support for namespaces has gone through a difficult journey. Fortunately, PHP introduced namespaces from 5.3. Since PHP

This article mainly introduces the namespace in PHP and explains the namespace) for more information, see Overview PHP's support for namespaces has gone through a difficult journey. Fortunately, PHP introduced namespaces from 5.3. Since PHP

A namespace is a domain in which all type names in a domain must be unique, with different types grouped into hierarchical namespaces.The benefits of namespaces are: 1, avoid name collisions, 2, easy to find type names.such as:

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