src/work/alpar/named-param-test4.cc
author hegyi
Fri, 04 Feb 2005 15:32:11 +0000
changeset 1123 a2e93889a604
child 1203 14f951664a63
permissions -rw-r--r--
Documentation is developing itself, but is not ready yet.
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class AlgorithmDefaultTypes 
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{
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public:
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  typedef int Adat;
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};
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template<class T = AlgorithmDefaultTypes>
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class AlgorithmTypes : public T 
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{
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public:
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  template<class X>
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  class SetAdat : public T { X Adat; };
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};
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template<class T = AlgorithmTypes<> >
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class AlgorithmDefaultDataFields : public T
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{
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protected:
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  typename T::Adat adat;
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};
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template<class T = AlgorithmDefaultDataFields<> >
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class Algorithm : public T
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{
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  int _intAdat;
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public:
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  Algorithm() {};
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  Algorithm(const T &tt) : T(tt) {};
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  template<class X> class _SetAdat : public T {
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    protected:
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    X adat;
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    public:
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    _SetAdat() {}; //"Algorithm<>::_SetAdat<double> b;"-hez kell!!!!
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                   // De az is rossz!!!!!
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    _SetAdat(const T &t,const X& x) : T(t), adat(x) {};
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  };
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  template<class X>
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  Algorithm<_SetAdat<X> > setAdat(const X &x) {
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    return Algorithm<_SetAdat<X> >(_SetAdat<X>(*this,x));
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  }
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  Algorithm &setIntAdat(int i) {_intAdat=i;return *this;}
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  //vagy:
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  Algorithm &intAdat(int i) {_intAdat=i;return *this;}
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  typename T::Adat run()
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  {
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    //Itt csinalunk valamit
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    return typename T::Adat();    
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  }
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  ~Algorithm()
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  {
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    //Itt nem csinalunk semmit
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  }
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};
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Algorithm<> algorithm() 
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{
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  return Algorithm<>();
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}
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int main() 
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{
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  Algorithm<> a;
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  Algorithm<>::_SetAdat<double> b; b=b;//Ez itt nem az, amit szeretnenk!!! 
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  Algorithm<>::SetAdat<double> c; c=c; //Ez itt nem az, amit szeretnenk!!!
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  a.run();
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  //  b.run();
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  //  c.run();
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  algorithm().run();
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  algorithm().setAdat(5.2).run();
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}