flower/include/nscalar.hh

   1 /*
   2   scalar.hh -- declare
   3
   4   source file of the Flower Library
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef SCALAR_HH
  11 #define SCALAR_HH
  12
  13 struct Scalar {
  14   String str_;
  15   // Real real_;
  16   int int_;
  17   //  Rational rational_;
  18
  19
  20   struct typebits {
  21     string_bit: 1;
  22     int_bit:1;
  23   };
  24 private:
  25
  26
  27   //  operator Real();
  28   operator int();
  29
  30   /**   perl -like string to bool conversion.
  31    */
  32   //  operator bool() const;
  33
  34   //Scalar (Real r) : String (r) {}
  35   Scalar (int i) : String (i) {}
  36   //  Scalar (char c) : String (c) {}
  37   Scalar (char const *c) : String (c) {}
  38   Scalar (String s):String (s) {}
  39   //Scalar (Rational);
  40   static Scalar undefined ();
  41 };
  42
  43 #endif // SCALAR_HH