Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!tudelft.nl!txtfeed1.tudelft.nl!multikabel.net!newsfeed20.multikabel.net!border3.nntp.ams.giganews.com!Xl.tags.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!local2.nntp.ams.giganews.com!nntp.brightview.co.uk!news.brightview.co.uk.POSTED!not-for-mail NNTP-Posting-Date: Wed, 18 Jan 2012 00:37:19 -0600 From: Gareth Owen Newsgroups: comp.lang.c++ Subject: Re: Rationale for base class pure virtual function call from ctor/dtor being undefined behaviour. References: <8YydncgNDvB9DInSnZ2dnUVZ8oGdnZ2d@giganews.com> <576cf8d7-4881-4508-8862-876f5c430a10@k8g2000yqk.googlegroups.com> <25e78f15-9c45-4464-a690-0f31d867deef@b23g2000yqn.googlegroups.com> Date: Wed, 18 Jan 2012 06:37:19 +0000 Message-ID: <87fwfdikio.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:ugnh+GfMNh4l2KVfc8lA4/6i9t0= MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Lines: 8 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-0FgVs/q6foxAilMIMAk42SFtoEjrTCl/0kLt9A5UCFLUYSfVzw1thNjpHxMXQffYm25To/Hewz1P2vq!0BuPmfRmvpvlsujmmpL9TTHv29mZpF5nQ8m/C+QrmzTgo93dcwai1O7JegCGKgCvKiN8jg== X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2265 Xref: x330-a1.tempe.blueboxinc.net comp.lang.c++:13463 "MikeWhy" writes: > Arguably, then, the PVF with implementation is not really useful, but > simply serves as an escape for defining a benign default action during > construction. With the irony being, as Leigh initially pointed out, this is the one thing you're not allowed to do...