Re: [boost] [iterators] zip_iterator doesn't work with GCC's TR1 tuple?

Subject: Re: [boost] [iterators] zip_iterator doesn't work with GCC's TR1 tuple?
From: Shayne_Fletcher_at_[hidden]
Date: 2008-12-09 18:10:30

Pete Bartlett wrote on 10/12/2008 01:45:51:

> 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 'class
> > 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.

It would be very nice if going forward, zip_iterator were to work
with Boost.Fusion too.

-- 
Shayne Fletcher
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