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too many template arguments

Posted on 2003-11-19
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Last Modified: 2013-12-14
i get some error like d:\Programs\VS NET\Vc7\include\resiter1.hh(29): error C2977: 'std::reverse_iterator' : too many template arguments then i try to use mysql++ made for vc++ 6.0 in visual .net

the code line is

  typedef iterator   const_iterator; //:
  typedef const std::reverse_iterator< iterator, ValueType >       reverse_iterator; //:
  typedef const std::reverse_iterator< const_iterator, ValueType >  const_reverse_iterator; //:
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Question by:-Mihai-
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13 Comments
 

Author Comment

by:-Mihai-
Comment Utility
full error line :

d:\Programs\VS NET\Vc7\include\resiter1.hh(29): error C2977: 'std::reverse_iterator' : too many template arguments
        d:\Programs\VS NET\Vc7\include\xutility(723) : see declaration of 'std::reverse_iterator'
        d:\Programs\VS NET\Vc7\include\resiter1.hh(52) : see reference to class template instantiation 'const_subscript_container<OnType,ValueType,ReturnType,SizeType,DiffType>' being compiled
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Expert Comment

by:adam_g
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could you send post the section of your code that you think is causing this error?
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Expert Comment

by:cookre
Comment Utility
They've changed it:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccore/html/vclrfreverse_iteratortypenamechanges.asp
======
The names for some of the types defined by the Standard C++ Library reverse_iterator class have changed. Also, there are different template arguments for this class.

The following sample compiled in Visual C++ 6.0, but fails in the current version:

#include <iterator>
#include <vector>
typedef std::iterator<std::random_access_iterator_tag, char, int> random_it;

int main( )
{
   char c;
   
   // too many template args for VC7
   typedef std::reverse_iterator< random_it, char, char&, char *, int > rev_it;
   rev_it::reference_type x = c;
   rev_it::pointer_type y = 0;
   rev_it::iter_type z;

   /*
   // try the following code instead
   typedef std::reverse_iterator< random_it > rev_it;
   rev_it::reference a = c;
   rev_it::pointer b = 0;
   rev_it::iterator_type c1;
   */
}
=====

Here's the new one:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcstdlib/html/vclrf_iterator_Reverseiterator_class.asp
=====
Standard C++ Library Reference  

reverse_iterator Class
The template class is an iterator adaptor that describes a reverse iterator object that behaves like a random-access or bidirectional iterator, only in reverse. It enables the backward traversal of a range.

template <class Iterator>
Parameter
Iterator
The type that represents the iterator to be adapted to operate in reverse.
=====
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Author Comment

by:-Mihai-
Comment Utility
can you modify the code i pasted to work in visual .net ?
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LVL 22

Expert Comment

by:cookre
Comment Utility
Not without the source that shows how it's being used...
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Author Comment

by:-Mihai-
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well i use mysql++ api for visual c 6.0 (there its not a version for net too :<)
http://www.mysql.com/downloads/api-mysql++.html

could you please look on it ?
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LVL 22

Expert Comment

by:cookre
Comment Utility
I just downloaded it from here:
http://www.mysql.com/get/Downloads/mysql++/mysql++-1.7.9.tar.gz/from/pick
and noted that sqlplusint\resiter1.hh has the correct usage.

Perhaps that a more recent version than the one you're using?



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Author Comment

by:-Mihai-
Comment Utility
You mean you had no problems with that API in visual .net ?

well, i see that you downloaded a version for linux ...
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Accepted Solution

by:
cookre earned 500 total points
Comment Utility
Oops, I did get the wrong one, didn't I.

Well, I compared the two sets of .hh files and found no other references to reverse_iterator, so, I'd be tempted to just replace the VC definition with the Linux definition:
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Expert Comment

by:cookre
Comment Utility
There are also differences in subscript_iterator too, but, like the other one, there were no references to it from any other .hh in either of the to flavors, so, see what happens if you just replace the VC resiter.hh with the linux one. From that archive, it's in directory 'sqlplusint'.
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Expert Comment

by:cookre
Comment Utility
Having any success?
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Author Comment

by:-Mihai-
Comment Utility
Nope, can you modify them for me please ?
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