Re: [boost] [exception] - bug in tutorial -> member 'what' is ambiguous?

From: Emil Dotchevski (emil_at_[hidden])
Date: 2008-06-30 02:47:38

Do you have a log with the error?

To best of my knowledge, all examples (which can also be found in
libs/exception/example) from the Boost Exception documentation compile
without errors.

Emil Dotchevski
Reverge Studios, Inc.
http://www.revergestudios.com/reblog/index.php?n=ReCode

On Sun, Jun 29, 2008 at 11:13 PM, Kowalke Oliver (QD IT PA AS)
<Oliver.Kowalke_at_[hidden]> wrote:
> Hi,
> I revering to http://svn.boost.org/svn/boost/trunk/libs/exception/doc/tutorial_transporting_data.html
> First example: class my_error: public boost::exception<http://svn.boost.org/svn/boost/trunk/libs/exception/doc/exception.html>, public std::exception { }; //(2)
> This code line produces the error.
> Oliver
>
> On 6/18/08, Kowalke Oliver (QD IT PA AS) <Oliver.Kowalke <at> qimonda.com> wrote:
>> Yes I used the latest documentation from trunk:
>>  Tutorial: Transporting of Abritrary Data to the Catch Site:
>>
>>  class my_error : public boost::exception , std::exception {);
>>
>>  Does not work with gcc-4.2.4 (compiler bug?).
>
> What exactly doesn't work on gcc-4.2.4?
>
> All of the examples from the documentation are in this folder:
>
> http://svn.boost.org/svn/boost/trunk/libs/exception/example/
>
> The examples compile with msvc and gcc 4.3.1. I also looked at
>
> http://svn.boost.org/svn/boost/trunk/libs/exception/doc/transporting_data.html
>
> I don't see a reference to what() in it.
>
> Emil Dotchevski
> Reverge Studios, Inc.
> http://www.revergestudios.com/reblog/index.php?n=ReCode
>
>>  On Tue, Jun 17, 2008 at 12:09 AM, Kowalke Oliver (QD IT PA AS) <Oliver.Kowalke <at> qimonda.com> wrote:
>>  > Hi,
>>  > I'm using boost.exception from trunk and I get following error (gcc-4.2.4):
>>  >
>>  > error: request for member 'what' is ambiguous
>>  > /usr/include/c++/4.2/exception:64: error: candidates are: virtual
>>  > const char* std::exception::what() const
>>  > /opt/boost/include/boost-1_35/boost/exception/exception.hpp:52: error:
>>  > virtual const char* boost::exception::what() const
>>  >
>>  > I'm using the code from the boost.exception tutorial:
>>  >
>>  > class error
>>  > :
>>  > public boost::exception,
>>  > public std::exception
>>  > {}
>>  >
>>  > ...
>>  > try
>>  > {...}
>>  > catch ( error const& e)
>>  > { std::cout << "error: " << e.what() << std::endl; }
>>
>>  Where do you read the tutorial you are mentioning? Is it possible that it is out of date? The latest
> documentation can be accessed directly through the subversion web interface:
>>
>>  http://svn.boost.org/svn/boost/trunk/libs/exception/doc/boost-exception.html.
>>
>>  Emil Dotchevski
>>  Reverge Studios, Inc.
>>  http://www.revergestudios.com/reblog/index.php?n=ReCode
>>
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