Re: [Boost-users] [Phoenix][Range] What's wrong here...

Subject: Re: [Boost-users] [Phoenix][Range] What's wrong here...
From: Thomas Heller (thom.heller_at_[hidden])
Date: 2013-01-17 10:33:43

On 01/17/2013 01:33 PM, Mathias Gaunard wrote:
> On 17/01/13 13:22, Mathias Gaunard wrote:
>> On 17/01/13 12:28, Robert Jones wrote:
>>> Hi All
>>>
>>> Can anyone tell me what's wrong with this? The error message is so huge
>>> I'm a bit overwhelmed!
>>
>> Learn to read C++ errors.
>>
>> It says
>> /home/mgaunard/dev/boost/trunk/boost/phoenix/core/actor.hpp:174:9:
>> error: ‘typedef boost::proto::exprns_::basic_expr<...>::proto_tag’ is
>> inaccessible
>> /home/mgaunard/dev/boost/trunk/boost/proto/matches.hpp:834:16: error:
>> within this context
>>
>> So it looks like a bug.
>
> I badly shortened the error message, the problem is with actor< 
> basic_expr<...> >::proto_tag of course.
>
> The problem doesn't occur with clang, only gcc, so it's most 
> definitely a bug.
This is a *very* strange bug. Essentially this says that the typedef is 
not accessible because it is private. However, the actor template is 
declared as:
template <typename Expr>
struct actor
{
     ....
};

no private there at all ... even if i add the "public:" explicitly it 
doesn't solve the problem. This needs further investigation.

Thanks for reporting,

Thomas
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