Re: [boost] [fusion] implementing distance_impl<>

From: dan marsden (danmarsden_at_[hidden])
Date: 2007-06-07 16:51:21

>>The problem is with distance<begin, end>::value. My distance_impl<>
>>doesn't provide a nested value. It provides a nested type. If this were
>>distance<begin, end>::type::value, it works. It also works if I change
>>my distance_impl<> specialization, but I don't think I should have to. Bug?

>From what I can see in the MPL docs, a numeric metafunction is only required to
>return ::type, and ::value is just a convenience that I shouldn't count on. So
>I agree, a bug. I'll patch up shortly, thanks for picking this up.

The defect above should now be fixed on HEAD.

Cheers

Dan

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