| Last change
                  on this file since 1171:f426c84a4e00 was
                  1052:172ce6c3ac6e,
                  checked in by Alpar Juttner, 21 years ago | 
        
          | 
Two examples showing a bit more convenient way to implement named parameters.
 | 
        | File size:
            856 bytes | 
      
      
        
  | Rev | Line |  | 
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| [1052] | 1 | struct TR | 
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|  | 2 | { | 
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|  | 3 | int a; | 
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|  | 4 | int b; | 
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|  | 5 | int c; | 
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|  | 6 | }; | 
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|  | 7 |  | 
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|  | 8 | template<class T> struct D | 
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|  | 9 | { | 
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|  | 10 | T t; | 
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|  | 11 |  | 
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|  | 12 | D(const T &tt) :t(tt) {}; | 
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|  | 13 |  | 
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|  | 14 | template<class X> struct TA : public T { | 
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|  | 15 | X a; | 
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|  | 16 | TA(const T &t,const X& x) : T(t), a(x) {}; | 
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|  | 17 | }; | 
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|  | 18 | template<class X> D<TA<X> > setA(const X &x) { | 
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|  | 19 | return D<TA<X> >(TA<X>(this->t,x)); | 
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|  | 20 | } | 
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|  | 21 |  | 
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|  | 22 | template<class X> struct TB : public T { | 
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|  | 23 | X b; | 
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|  | 24 | TB(const T &t,const X& x) : T(t), b(x) {}; | 
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|  | 25 | }; | 
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|  | 26 |  | 
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|  | 27 | template<class X> D<TB<X> > setB(const X &x) { | 
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|  | 28 | return D<TB<X> >(TB<X>(this->t,x)); | 
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|  | 29 | } | 
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|  | 30 |  | 
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|  | 31 | template<class X> struct TC : public T { | 
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|  | 32 | X c; | 
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|  | 33 | TC(const T &t,const X& x) : T(t), c(x) {}; | 
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|  | 34 | }; | 
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|  | 35 |  | 
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|  | 36 | template<class X> D<TC<X> > setC(const X &x) { | 
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|  | 37 | return D<TC<X> >(TC<X>(this->t,x)); | 
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|  | 38 | } | 
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|  | 39 | ~D() | 
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|  | 40 | { | 
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|  | 41 | //Itt csinalunk valamit | 
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|  | 42 | } | 
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|  | 43 | }; | 
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|  | 44 |  | 
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|  | 45 | D<TR> d() | 
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|  | 46 | { | 
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|  | 47 | return D<TR>(TR()); | 
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|  | 48 | } | 
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|  | 49 |  | 
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|  | 50 | int main() | 
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|  | 51 | { | 
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|  | 52 | d(); | 
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|  | 53 | d().setA(5.5).setB(10).setC(1.5e12); | 
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|  | 54 | } | 
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