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Re: Part_combine_iterator::derived_mark: don't abort marking prematurely


From: dak
Subject: Re: Part_combine_iterator::derived_mark: don't abort marking prematurely. (issue 6057044)
Date: Wed, 18 Apr 2012 05:51:23 +0000

On 2012/04/18 05:49:01, dak wrote:
On 2012/04/18 04:39:20, dak wrote:
> One could instead use a static array with pointers-to-member
(basically
> offsets), and then dereference them. In that case, a 0 entry would
indeed work
> as an ending mark.
>
> But for 4 entries?

To illustrate:

   static Stream_event * Part_combine_iterator::* ptrs[]
   =
   {
     &Part_combine_iterator::unisono_event_,
     &Part_combine_iterator::mmrest_event_,
     &Part_combine_iterator::solo_two_event_,
     &Part_combine_iterator::solo_one_event_,
     0
   };
   for (int i = 0; ptrs[i]; i++)
     if (ptrs[i])
Uh, if (this->*ptrs[i]) of course
       scm_gc_mark ((this->*ptrs[i])->self_scm ());



http://codereview.appspot.com/6057044/



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