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Subject: Re: [Boost-users] Please help with metaprogramming question : termination of recursion
From: John Dlugosz (JDlugosz_at_[hidden])
Date: 2010-07-08 21:17:58

> Fusion iterators are unique regardless of the type of the value they
> dereference to. If you look at how the Fusion algorithms are
> implemented you'll see that there the same trick is utilized.

Unique in every location in every collection is a distinct type? This could be documented somewhere <grumbling>. Or maybe, to make the trick work, "end" is a unique type regardless. And, his equal_to for iterators works, even if is_same isn't.

BTW, are you familiar with how MPL and other boost libraries interoperate with the native TR1 support? It's not nice to have different sets of type_traits and true/false values, and I would want new code to support some trait-like things using the new standard.


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