Re: [Boost-users] BOOST_FOREACH with Index

Nat Goodspeed wrote:

Eric Niebler wrote:

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Why not:

int index = 0;

BOOST_FOREACH(const Foo &f, foos) { // ... stuff ... ++index; }

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What value BOOST_FOREACH has comes primarily from its ability to simplify something that's already pretty darn simple -- a plain for(;;) loop. I strongly resist any effort to make BOOST_FOREACH more complicated, unless the wins are truly significant. In this case, I don't think they are.

Maybe this shouldn't be a BOOST_FOREACH feature at all. As with Python's builtin enumerate() function, maybe what we want here is an iterator adapter that dereferences to a std::pair?

This would fit in well with the proposed resolution of https://svn.boost.org/trac/boost/ticket/3469. I'll reference this discussion from that ticket. Thanks for the suggestion. -- Eric Niebler BoostPro Computing http://www.boostpro.com