From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,1888e8caa20a2f2d X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail NNTP-Posting-Date: Fri, 02 Dec 2005 15:42:03 -0600 From: tmoran@acm.org Newsgroups: comp.lang.ada Subject: Re: Controlled types and exception safety References: X-Newsreader: Tom's custom newsreader Message-ID: <8sKdnXNeIZMxIg3eRVn-ig@comcast.com> Date: Fri, 02 Dec 2005 15:42:04 -0600 NNTP-Posting-Host: 67.169.16.9 X-Trace: sv3-rxPCGvUtLwjGYVTLPY13ihimCGuMl9HqBMNrXk1bf9KnQWiFu2Svi9XGPb9cNKCSGtRuU6HXg+sVxND!F7mD3F29VX5/Q4oM1rVGynI3ZsCAsXE0SzNjNJVN6deBQmxzZxR9lqNruXRsVz7M/JsTfkapieo= X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net 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: 1.3.32 Xref: g2news1.google.com comp.lang.ada:6724 Date: 2005-12-02T15:42:04-06:00 List-Id: >But X := Y overwrites X before calling Adjust on it, so you can't store >the backup copy, or any way of accessing the backup copy, in X. Right. But Adjust, in case of problems, could still find the copy of the old X in the "to be deleted" backup queue and restore X from there. I didn't say this was nice, just that it was possible. ;)