Subject: Re: [boost] [fusion] flatten/flatten_view Proposal
From: TONGARI J (tongari95_at_[hidden])
Date: 2013-10-25 12:52:42
Hi Eric,
2013/10/26 Eric Niebler <eniebler_at_[hidden]>
> On 10/25/2013 2:40 AM, TONGARI J wrote:
> > 2013/10/24 Eric Niebler <eniebler_at_[hidden]>
> >
> >> On 10/23/2013 8:35 PM, TONGARI J wrote:
> >>>
> >>> I just tried to re-implement it by segments_impl, but seems to cause
> >> memory
> >>> violation.
> >>>
> >>> Code is attached. Could you shed some light on this?
> >>> (note: flatten_view should be writable if the underlying sequence is
> >>> writable)
> >>
> >> I'm afraid I really can't tell by looking at the code.
> >>
> >
> > I still can't figure out what went wrong with the simple segmented one.
> > If somebody can make it work, I'd like to compare both implementations.
> >
> > Joel?
>
> You haven't yet posted the code that reproduces the crash.
>
It's so simple to reproduce the crash. Sample code attached.
If you debug with MSVC, you'll see access violation.
With GCC you might get weird results and it probably crashes.
Thanks,