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Re: Odd error I can't seem to recreate

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On 11/4/11 3:58 PM, Noah Roberts wrote:
> On Nov 4, 12:49 pm, Victor Bazarov<v.baza...@comcast.invalid>  wrote:
>> On 11/4/2011 2:52 PM, Noah Roberts wrote:
>
>>> The bool constructor is made by me, but the non-const copy constructor
>>> is the compiler's.
>>
>> What???  Why would the compiler create a non-const copy c-tor?  Or,
>> rather, what have you done to tell it to create that particular form of
>> the copy c-tor?
>>
>
> Yes, that bothers me a great deal as well, but for some reason g++
> seems to be making non-const copy constructors by default.  Here's the
> class declarations:
>
...
> struct test_service : location_service
> {
>
>          // overrides of inherited virtuals...
>
> 	test_service();
> 	test_service(bool sleeper);
> 	~test_service();
> private:
> 	struct impl;
> 	std::auto_ptr<impl>  pimpl;
> };
>
> No declaration of copy constructor anywhere.  It's not the first time
> I've seen it and I'm assuming it's some sort of quirk/bug in g++
> 4.1.2.
>
Note that auto_ptr has a non-const copy constructor, as copying an 
auto_ptr changes the source auto pointer. Therefore any class that has 
an auto_ptr member will by default have a non-const copy constructor, as 
it can't make a const copy constructor.

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Thread

Odd error I can't seem to recreate Noah Roberts <roberts.noah@gmail.com> - 2011-11-04 11:52 -0700
  Re: Odd error I can't seem to recreate Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-04 15:49 -0400
    Re: Odd error I can't seem to recreate Noah Roberts <roberts.noah@gmail.com> - 2011-11-04 12:58 -0700
      Re: Odd error I can't seem to recreate Richard Damon <news.x.richarddamon@xoxy.net> - 2011-11-04 16:15 -0400
  Re: Odd error I can't seem to recreate "Gennaro Prota" <gennaro.prota@gmail.com> - 2011-11-04 21:03 +0100
    Re: Odd error I can't seem to recreate Noah Roberts <roberts.noah@gmail.com> - 2011-11-04 13:07 -0700
      Re: Odd error I can't seem to recreate Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-04 16:43 -0400
        Re: Odd error I can't seem to recreate Noah Roberts <roberts.noah@gmail.com> - 2011-11-04 13:56 -0700
          Re: Odd error I can't seem to recreate "Gennaro Prota" <name.surname@gmail.com> - 2011-11-04 22:16 +0100
    Re: Odd error I can't seem to recreate "Gennaro Prota" <gennaro.prota@gmail.com> - 2011-11-04 21:16 +0100
  Re: Odd error I can't seem to recreate Noah Roberts <roberts.noah@gmail.com> - 2011-11-04 13:15 -0700
    Re: Odd error I can't seem to recreate Ian Collins <ian-news@hotmail.com> - 2011-11-05 12:00 +1300
  Re: Odd error I can't seem to recreate "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2011-11-05 18:48 +0100
    Re: Odd error I can't seem to recreate "Gennaro Prota" <name.surname@gmail.com> - 2011-11-05 22:35 +0100

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