C C coding rule Using Directives Must Be Placed Within
阿新 • • 發佈：2018-11-07
分享一下我老師大神的人工智慧教程！零基礎，通俗易懂！http://blog.csdn.net/jiangjunshow
也歡迎大家轉載本篇文章。分享知識，造福人民，實現我們中華民族偉大復興！
Actually, there are subtle differences between placing using directives within a namespace element, rather than outside of the namespace, including:1. Placing using-alias directives within the namespace eliminates compiler confusion between conflicting types.
2. When multiple namespaces are defined within a single file, placing using directives within the namespace elements scopes references and aliases.
給我老師的人工智慧教程打call！http://blog.csdn.net/jiangjunshow
