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Re: object copy with reference

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On 2011-09-25 15:44:09 +0200, Victor Bazarov said:

> On 9/25/2011 7:43 AM, Philipp Kraus wrote:
>> I have a class method that is run in different threads:
>> myclass::mythreadmethod( mysuperclass& )
> 
> Is there any relationship between 'myclass' and 'mysuperclass'?

No, nothing, exception a myclass object calls methods in the 
mysuperclass object.

> 
> So, the other class (from which your 'myclass' is derived) requires the 
> argument to be a reference to a non-const object.  Seems OK.  You can 
> implement your own
> 
>     myclass::mythreadmethod_impl(mysuperclass)
> 
> by overriding the 'mythreadmethod' this way:
> 
>     returntype myclass::mythreadmethod(mysuperclass& o)
>     {
>        mysuperclass local_o(o);
>        return this->mythreadmethod_impl(local_o);
>     }
> 
> (although, strictly speaking, the creation of local_o isn't necessary, 
> it's done here just for illustrating the fact of copying the 'o').


That's nice, i will try that. But one question, mysuperclass is a pure 
virtual class, so I can't instanciate it directly (sorry, i've forgot 
this information in my first posting)

Thanks

Phil

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object copy with reference Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-09-25 13:43 +0200
  Re: object copy with reference Victor Bazarov <v.bazarov@comcast.invalid> - 2011-09-25 09:44 -0400
    Re: object copy with reference Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-09-25 16:25 +0200
    Re: object copy with reference Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-09-25 17:59 +0200
      Re: object copy with reference Goran <goran.pusic@gmail.com> - 2011-09-26 00:27 -0700
      Re: object copy with reference Qi <no@no.no> - 2011-09-26 15:51 +0800
  Re: object copy with reference Werner <werasm@gmail.com> - 2011-09-26 01:26 -0700
    Re: object copy with reference Werner <werasm@gmail.com> - 2011-09-26 01:32 -0700
    Re: object copy with reference Philipp Kraus <philipp.kraus@flashpixx.de> - 2011-09-26 21:02 +0200
      Re: object copy with reference Werner <werasm@gmail.com> - 2011-09-26 23:34 -0700
        Re: object copy with reference Werner <werasm@gmail.com> - 2011-09-27 02:08 -0700
          Re: object copy with reference SG <s.gesemann@gmail.com> - 2011-09-27 04:10 -0700
            Re: object copy with reference Werner <werasm@gmail.com> - 2011-09-27 06:56 -0700

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