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Groups > comp.lang.c++ > #19050

Re: Non virtual and inheritance

From Nobody <nobody@nowhere.com>
Subject Re: Non virtual and inheritance
Date 2012-10-18 13:29 +0100
Message-Id <pan.2012.10.18.12.29.32.390000@nowhere.com>
Newsgroups comp.lang.c++
References <k5oqnl$slk$1@speranza.aioe.org>
Organization Zen Internet

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On Thu, 18 Oct 2012 13:55:35 +0200, Sensei wrote:

> Why is a member function non-virtual by default, even from an historically
> accurate point of view?

Virtual calls are more computationally expensive, and the presence of any
virtual methods make the class a non-POD type. Virtual calls are pointless
if the class isn't intended to be derived from (as most STL containers
aren't).

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Thread

Non virtual and inheritance Sensei <sensei_s_mail_is_at@me.com> - 2012-10-18 13:55 +0200
  Re: Non virtual and inheritance Nobody <nobody@nowhere.com> - 2012-10-18 13:29 +0100
    Re: Non virtual and inheritance Juha Nieminen <nospam@thanks.invalid> - 2012-10-19 09:39 +0000
      Re: Non virtual and inheritance Nobody <nobody@nowhere.com> - 2012-10-19 15:01 +0100
        Re: Non virtual and inheritance Juha Nieminen <nospam@thanks.invalid> - 2012-10-19 16:01 +0000
  Re: Non virtual and inheritance Rui Maciel <rui.maciel@gmail.com> - 2012-10-18 14:49 +0100
  Re: Non virtual and inheritance Luca Risolia <luca.risolia@studio.unibo.it> - 2012-10-18 20:06 +0200
  Re: Non virtual and inheritance Paavo Helde <myfirstname@osa.pri.ee> - 2012-10-18 14:40 -0500
  Re: Non virtual and inheritance Juha Nieminen <nospam@thanks.invalid> - 2012-10-19 09:41 +0000

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