Re: [Boost-users] boost::exception_detail::error_info_base does not have virtual destructor

Subject: Re: [Boost-users] boost::exception_detail::error_info_base does not have virtual destructor
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-03-17 12:37:05

AMDG

On 03/17/2011 08:50 AM, Jens Auer wrote:
> I am compiling a project with a more strict warning set and got the following reports:
> Error	29	error C4265: 'boost::exception_detail::error_info_base' : class has virtual functions, but destructor is not virtual	c:\work\svn\sandbox\externals\boost\include\boost-1_45\boost\exception\detail\error_info_impl.hpp	36
>
> Error	30	error C4265: 'boost::error_info<Tag,T>' : class has virtual functions, but destructor is not virtual	c:\work\svn\sandbox\externals\boost\include\boost-1_45\boost\exception\detail\error_info_impl.hpp	69
>
> IMHO these classes should have a virtual destructor as they are intended to be used as base classes.

No they shouldn't. A virtual destructor
is only needed when deleting through
a base class pointer. This is explicitly
forbidden by making the destructor
protected.

In Christ,
Steven Watanabe