Re: [Boost-bugs] [Boost C++ Libraries] #5930: data() for iterator_range

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #5930: data() for iterator_range
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2011-11-07 15:48:33

#5930: data() for iterator_range
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  Reporter:  olafvdspek@…          |       Owner:  neilgroves
      Type:  Feature Requests      |      Status:  new       
 Milestone:  To Be Determined      |   Component:  range     
   Version:  Boost 1.47.0          |    Severity:  Problem   
Resolution:                        |    Keywords:            
-----------------------------------+----------------------------------------

Comment (by rhys.ulerich@…):

 Referring to...

 > > > return empty() ? NULL : &front();
 > > This is rather dangerous. It only works if the iterator points to
 contiguous storage.
 > Right, it should only be provided in that case.

 I asked...

 > > How can a member method be provided only under certain runtime
 conditions?
 > It's not a runtime condition.

 An iterator_range knowing that it represents a contiguous region of memory
 seems like a runtime condition to me.  What am I missing?

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Ticket URL: <https://svn.boost.org/trac/boost/ticket/5930#comment:8>
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