flower/scalar.hh

   1 /*
   2   scalar.hh -- part of LilyPond
   3
   4   (c) 1996 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef SCALAR_HH
   8 #define SCALAR_HH
   9 #include "string.hh"
  10 #include "real.hh"
  11
  12 /// Perl -like scalar type.
  13 struct Scalar : public String {
  14
  15     Scalar(Real r) : String(r) {}
  16     Scalar(int i) : String(i) {}
  17     Scalar(char c) : String(c) {}
  18     Scalar(const char *c) : String(c) {}
  19     Scalar(String s ):String(s) {}
  20     Scalar(Rational );
  21     operator Rational();
  22     Scalar() {}
  23     bool isnum();
  24     operator Real();
  25     operator int();
  26
  27     /**   perl -like string to bool conversion.
  28      */
  29     operator bool() const;
  30
  31 };
  32
  33 #endif // SCALAR_HH
  34