Re: libstdc++/3016: stl_queue.h bugs wrt compliance

[Brendan Kehoe <brendan at zen dot org>]

The following reply was made to PR libstdc++/3016; it has been noted by GNATS.

From: Brendan Kehoe <brendan@zen.org>
To: Phil Edwards <pedwards@disaster.jaj.com>
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: libstdc++/3016: stl_queue.h bugs wrt compliance
Date: Thu, 31 May 2001 23:16:02 +0100

 >>>>> "Phil" == Phil Edwards <pedwards@disaster.jaj.com> writes:
 
 On Thu, May 31, 2001 at 09:50:54PM -0000, brendan@zen.org wrote:
 > *************** protected:
 > *** 76,81 ****
 >     _Sequence c;
 >   public:
 > !   queue() : c() {}
 > !   explicit queue(const _Sequence& __c) : c(__c) {}
 >   
 >     bool empty() const { return c.empty(); }
 > --- 76,80 ----
 >     _Sequence c;
 >   public:
 > !   explicit queue(const _Sequence& __c = _Sequence()) : c(__c) {}
 >   
 >     bool empty() const { return c.empty(); }
 
 
     Phil> I disagree with removing the copy ctor.  Just because it isn't
     Phil> mandated doesn't mean it isn't allowed.  What if I wished to
     Phil> construct a vector-of-queue-of-T?  Queue wouldn't meet the
     Phil> copy-constructible requirement.
 
 Hmm, I believe the copy ctor is still there, it's just now got the default
 argument that's required by the standard.  We remove the default constructor,
 making queue instead set up a container if one wasn't specified by whatever is
 creating the queue object.
 
 B
 
 -- 
 Brendan Kehoe                                               brendan@zen.org
 
 http://www.zen.org/~brendan/