// Figure 7.6  Function to print a value of type color
// FILE: DispEnum.cpp

#include <iostream.h>

enum color {red, green, blue, yellow};

// DISPLAYS THE VALUE OF this_color
int write_color
  (color this_color)	// IN: color to be printed as string
// Pre : this_color is assigned a value.
// Post: The value of this_color is displayed as a string.
// Returns: Status flag indicating if execution successful.
{
   // Local data ...
   int status;	// indicates if function executes successfully

   // Print correct color as string literal.
   status =  true;
   switch (this_color)
   {
            case red:
                  cout << "red";
                  break;
            case green:
                  cout << "green";
                  break;
            case blue:
                  cout << "blue";
                  break;
            case yellow:
                  cout << "yellow";
                  break;
            default:
                  status = false;
                  cerr << "*** ERROR: Invalid color for value." << endl;
   }  // end switch
   return status;
}  // end write_color