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Re: Help : Is this a namespace collision ??


Just read what the compiler says..

>NewHandler.cpp:12:   first declared as `int count' here
>/usr/include/c++/3.2.1/bits/stl_algo.h:390:   also declared as `
>   std::iterator_traits<_Iterator>::difference_type
>std::count(_InputIter,
>   _InputIter, const _Tp&)' here

There's a function std::count() declared in bits/stl_algo.h..
m.


On 25 Nov 2002 06:55:52 +0100
Christian POKAM <chrispot@cs.tu-berlin.de> wrote:

> Why is the Compilation of NewHandler.cpp complaining about  
>     the ambigous use of "count" ??
> Thank you 
>
>//NewHandler.cpp
>// From Thinking in C++, 2nd Edition
>// Available at http://www.BruceEckel.com
>// (c) Bruce Eckel 2000
>// Copyright notice in Copyright.txt
>// Changing the new-handler
>#include <iostream>
>#include <cstdlib>
>#include <new>
>using namespace std;
>
>int count = 0;
>
>void out_of_memory() {
>  cerr << "memory exhausted after " << count
>    << " allocations!" << endl;
>  exit(1);
>}
>
>int main() {
>  set_new_handler(out_of_memory);
>  while(1) {
>    count++;
>    new int[1000]; // Exhausts memory
>  }
>} //
>
>
>gcc version 3.2.1 ; linux kernel 2.4.19 ; glibc 2.3.1
>gcc output:
>	
>NewHandler.cpp: In function `void out_of_memory()':
>NewHandler.cpp:16: use of `count' is ambiguous
>NewHandler.cpp:12:   first declared as `int count' here
>/usr/include/c++/3.2.1/bits/stl_algo.h:390:   also declared as `
>   std::iterator_traits<_Iterator>::difference_type
>std::count(_InputIter,
>   _InputIter, const _Tp&)' here
>NewHandler.cpp: In function `int main()':
>NewHandler.cpp:23: use of `count' is ambiguous
>NewHandler.cpp:12:   first declared as `int count' here
>/usr/include/c++/3.2.1/bits/stl_algo.h:390:   also declared as `
>   std::iterator_traits<_Iterator>::difference_type
>std::count(_InputIter,
>   _InputIter, const _Tp&)' here
>
>
>-- 
>Christian POKAM <chrispot@cs.tu-berlin.de>
>


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