When are C++ macros beneficial? [closed]

by

As wrappers for debug functions, to automatically pass things like __FILE__, __LINE__, etc:

#ifdef ( DEBUG )
#define M_DebugLog( msg )  std::cout << __FILE__ << ":" << __LINE__ << ": " << msg
#else
#define M_DebugLog( msg )
#endif

More Related Contents:

  1. What is the difference between #include and #include “filename”?
  2. Why use apparently meaningless do-while and if-else statements in macros?
  3. C++ preprocessor __VA_ARGS__ number of arguments
  4. C/C++ macro string concatenation
  5. Can we have recursive macros?
  6. C/C++ line number
  7. Is it legal to redefine a C++ keyword?
  8. Error: invalid operands of types ‘const char [35]’ and ‘const char [2]’ to binary ‘operator+’
  9. How to identify platform/compiler from preprocessor macros?
  10. Common array length macro for C? [duplicate]
  11. Can you make custom operators in C++?
  12. Escaping a # symbol in a #define macro?
  13. C/C++, can you #include a file into a string literal? [duplicate]
  14. Portability of #warning preprocessor directive
  15. How to make G++ preprocessor output a newline in a macro?
  16. Naming Include Guards
  17. C/C++ macro/template blackmagic to generate unique name
  18. Can the C preprocessor be used to tell if a file exists?
  19. Difference between Enum and Define Statements
  20. macro definition containing #include directive
  21. What does “#define STR(a) #a” do?
  22. C++: Can a macro expand “abc” into ‘a’, ‘b’, ‘c’?
  23. GCC, stringification, and inline GLSL?
  24. “No newline at end of file” compiler warning
  25. Header file included only once in entire program?
  26. Confused by squaring macro SQR in c [duplicate]
  27. What is the difference between #define and const? [duplicate]
  28. C++ #include semantics
  29. Is there a way to do a #define inside of another #define?
  30. Are Variadic macros nonstandard?

Leave a Comment