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Tip of the Day
Home » Tip Bank » C++
Language: C++
Expertise: Advanced
Jun 14, 2005

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Use Unnamed Namespaces to Declare Global Varables

To declare a variable or function at file scope (to create internal linkage), you declaring them as static, like this:

static int i; (file scope).
However, this is a deprecated way to declare global variables. Instead, use unnamed namespaces, as follows:

namespace
{
   int i;
   void run();
};
Place this directly into the source code.

Furqan Shaikh
 
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