Re: invalid use of template-name 'Array' without an argument(compile error, plz help)

"io_x" <a@b.c.invalid> ha scritto nel messaggio
news:4df31901$0$13975$4fafbaef@reader2.news.tin.it...


2 try; some error found, don't know if it compile

#include <stdint.h>
#include <stdlib.h>
#define u32 uint32_t
#define u8 uint8_t

template < class elemType >
class Array {
public:
  // parameterize element type
  Array(u32 size = 0)
  {if(size>0xFFFF)
     {ia_=0; size_=-1;}
   else if(size==0)
     {ia_=0; size_= 0;}
   else {size_=-1; ia_=0;
         if(sizeof(elemType)>0xFFF) return;
         ia_=(elemType*) malloc(size* sizeof(elemType));
 cout << (void*)ia_;
 cout << " here in Array() elementsz= " << sizeof(elemType) << "\n";
         if(ia_==0) return;
         size_=size;
        }
  }

  elemType& operator[](u32 index){ return ia_[index]; }

  Array(Array& rhs )
  {if(rhs.size_==-1||sizeof(*(rhs.ia_))!=sizeof(elemType))
        {size_=-1; ia_=0; return;}
   else {u32 i;
         size_=-1; ia_=0;
         if(rhs.size_>0xFFFF) return;
         if(sizeof(*(rhs.ia_)) > 0xFFF) return;
         ia_=(elemType*) malloc(rhs.size_ * sizeof(elemType));
         cout << (void*)ia_;
         cout << " sizeelm==" << sizeof(elemType) << "\n";
         if(ia_==0) return;
         size_=rhs.size_;
         for(i=0; i<size_; ++i)
            *this[i]=rhs[i];
        }
  }

 ~Array(){ cout << "~" << (void*)ia_ << "\n"; free(ia_);}

  u32 operator==(Array& a)
  {u32 i;
   if(sizeof(*(rhs.ai))!=sizeof(elemType))
             return 0;
   if(a.size_!=size_)
             return 0;
   for(i=0; i<size_; ++i)
     {if(a[i]!=*this[i]) return 0;
     }
   return 1;
  }

  u32 operator!=(Array& a){return !(*this==a)}

  u32 size(void){return size_; }

  u32 size_;
  elemType* ia_;
};

#include <iostream.h>

int main(void)
{u32 array_size=4;
 u32 ix;
 Array<u32> ia(array_size); // elemType becomes u32
 Array<double> da(array_size); // elemType becomes double
 Array<char> ca(array_size); // elemType becomes char
 Array<u32> iia(ia);

 if(ia.size_==(u32)-1||da.size_==(u32)-1||ca.size_==(u32)-1||
    iia.size_==(u32)-1)
     {cout << "Errore memoria insufficiente\n";
      return 0;
     }

 for(ix=0; ix<array_size; ++ix )
   {ia[ix]=ix;
    da[ix]=ix * 1.75;
    ca[ix]=ix + 'a';
   }

 for(ix=0; ix<array_size; ++ix )
     std::cout << "[ " << ix << " ] ia: " << ia[ix]
               << "\tca: " << ca[ix]
               << "\tda: " << da[ix] << "\n";
 return 0;
}
------------
862fd4 here in Array() elementsz= 4
863068 here in Array() elementsz= 8
86308c here in Array() elementsz= 1
86309c sizeelm==4
[ 0 ] ia: 0 ca: a da: 0
[ 1 ] ia: 1 ca: b da: 1.75
[ 2 ] ia: 2 ca: c da: 3.5
[ 3 ] ia: 3 ca: d da: 5.25
~86309c
~86308c
~863068
~862fd4