Re: [boost] [Variant] [BGL] Variant<edge_descriptor, edge_descriptor> is not EqualityComparable

Subject: Re: [boost] [Variant] [BGL] Variant<edge_descriptor, edge_descriptor> is not EqualityComparable
From: Andrew Sutton (andrew.n.sutton_at_[hidden])
Date: 2009-11-18 07:39:18

>
> I've never seen SFINAE before, so I've spent a little on it. It seems the
> case in which I've more of one possibility of overload, that can cause
> ambiguity. In my case it seems I've no possibility, because there isn't any
> compatibility between my operator and the call.
>

It's the formal name for the problems that have been described. You can't
find an overload because, somehow, the compiler is rejecting your template.

>  I've tried on MSVS 2008, but the result is the same.
>

 If you can post your full implementation, I'll run it through GCC and see
if the error persists, or if there's a nicer way to fix it.

Andrew Sutton
andrew.n.sutton_at_[hidden]