Re: [boost] [parameter] Redefining BOOST_PARAMETER_MAX_ARITY

Subject: Re: [boost] [parameter] Redefining BOOST_PARAMETER_MAX_ARITY
From: Jamie Allsop (ja11sop_at_[hidden])
Date: 2008-10-14 17:04:32

David Abrahams wrote:
> on Mon Oct 13 2008, Jamie Allsop <ja11sop-AT-yahoo.co.uk> wrote:
> 
>> Should I expect to be able to redefine BOOST_PARAMETER_MAX_ARITY and be able to
>> compile?
>> <http://www.boost.org/doc/libs/1_36_0/libs/parameter/doc/html/reference.html#boost-parameter-max-arity>
>>
>> For example using,
>>
>> #define BOOST_PARAMETER_MAX_ARITY 6
>> #include <boost/parameter/name.hpp>
>> #include <boost/parameter/preprocessor.hpp>
>>
>> // ... code here ...
>>
>> does not compile. 
> 
> What is the error?  It _should_ work.

yes it does (see my previous post) apologies for the noise

> 
>> Also I wonder if there is some theoretical or practical upper limit?
> 
> Surely there is a practical upper limit, but it depends on your compiler
> and I don't know what it is.
> 

gcc 4.2 and as it happens I was using 15 parameters (yes a lot, time 
pressures et al. caused both my hasty post and lack of simplification). 
One thing I did not mention was that this is a very cool library.

Jamie