Re: temporary auto_ptr

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To: Dima Sorkin <dima.sorkin@xxxxxxxxx>, MSX to GCC <gcc-help@xxxxxxxxxxx>
Subject: Re: temporary auto_ptr
From: John Love-Jensen <eljay@xxxxxxxxx>
Date: Thu, 29 Sep 2005 07:09:31 -0500
In-reply-to: <e4029360050929045315a70444@xxxxxxxxxxxxxx>
Sender: gcc-help-owner@xxxxxxxxxxx
User-agent: Microsoft-Entourage/11.2.0.050811

Hi Dima,

>This function doesn't pass compilation : why ?

The f2 function returns an auto_ptr<const A>.

You are trying to return an auto_ptr<const B>.

An auto_ptr<const B> is not an auto_ptr<const A>, regardless if a "B is an
A".

HTH,
--Eljay

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