Forums before death by AOL, social media and spammers... "We can't have nice things"
|    comp.lang.c++.moderated    |    Moderated discussion of C++ superhackery    |    33,346 messages    |
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
|    Message 32,223 of 33,346    |
|    red floyd to Daryle Walker    |
|    Re: Union padding    |
|    30 Apr 12 15:42:57    |
   
   e14dad0b   
   From: no.spam.here@its.invalid   
      
   On 4/30/2012 1:08 PM, Daryle Walker wrote:   
   >   
   > I've been testing out types like:   
   >   
   > union   
   > {   
   > T1 a;   
   > T2 b;   
   > union   
   > {   
   > T3 ca;   
   > T4 cb;   
   > } c;   
   > } d;   
   >   
   > [redacted]   
   > Looking at Section 9.5 Paragraph 1 in the copy of C++11   
   > I just bought, and it seems that my desired behavior isn't guaranteed.   
   > There may be padding between the start of the union and any of its   
   > members, and the padding for each member may differ. Am I accurate in   
   > this assessment?   
   >   
   >From N3242. 9.5/5 The final sentence of the example implicitly notes   
   that union members all have the same address. I'm not sure if this is   
   normative or not.   
      
      
   --   
    [ See http://www.gotw.ca/resources/clcm.htm for info about ]   
    [ comp.lang.c++.moderated. First time posters: Do this! ]   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
|
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
(c) 1994, bbs@darkrealms.ca