Subject: Re: [boost] [iterators] zip_iterator doesn't work with GCC's TR1 tuple?
Date: 2008-12-09 18:15:37
David Abrahams wrote on 10/12/2008 02:37:53:
> on Tue Dec 09 2008, David Abrahams <dave-AT-boostpro.com> wrote:
> > on Tue Dec 09 2008, Peter Bartlett <pete-AT-pcbartlett.com> wrote:
> >> Quoting Dean Michael Berris <mikhailberis_at_[hidden]>:
> >>> Has anybody successfully used Boost.Iterator's zip_iterator with TR1
> >>> tuples from GCC's libstdc++?
> >>> I keep getting errors like "error: no type named 'head_type' in
> >>> std::tr1::tuple<..." when using TR1 tuples with the zip_iterator
> >>> implementation in Boost 1.35.0 -- am I missing something?
> >> The implementation of zip_iterator depends on the implementation of
> >> (boost::)tuple. The authors of zip_iterator were aware this was
> sub-optimal and
> >> specifially put all tuple-implementation-specific code in a
> namespace inside the
> >> detail namespace to aid future changes. The code is fairly old
> though.. it would be
> >> interesting to know if the tuple concept is now mature enough to
> admit a generic
> >> implementation.
> > I have a fusion-based implementation checked in on a branch somewhere.
That's very helpful. Thank-you.
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