Compiler Error C2161

 

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The latest version of this topic can be found at Compiler Error C2161.

cannot occur at the end of a macro definition

A macro definition ended with a token-pasting operator (##).

The following sample generates C2161:

// C2161.cpp  
// compile with: /c  
#define mac(a,b) a   // OK  
#define mac(a,b) a##   // C2161  

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