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The #else compiler directive is used to unconditionally select source lines to be read following a failed #if or #elseif test.

If the previous #if or #elseif was not satisfied, source lines are selected until the next #endif.

If the previous #if or #elseif was satisfied, source lines are excluded until the next #endif.


Example:

// This include should be included twice with #include
// The first include brings in all the relevant declarations
// The second include brings in the executable code
 
#if not defined(declared)
  // declarations go here
#define declared
#else
  // executable code goes here
#endif

 

RPG Equivalent

/ELSE

 

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