Re: [boost] [function types] Formal Review begins today.

From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2005-06-18 11:42:04

Andy Little wrote:
> "Tobias Schwinger" <tschwinger_at_[hidden]> wrote in message 
> news:d91b7f$mik$2_at_sea.gmane.org...
> 
>>Andy Little wrote:
>>
>>>Note that the feed_function doesnt check the arity ( or number of
>>>elements) of
>>
>>^^^ Is there a way to do this with Boost.Tuple ?
>>If there is I was too blind to find it reading the docs and taking a brief 
>>look
>>at its source...
> 
> 
> boost::tuples::length<Tuple>::value  I think. FWIW Its first in the advanced 
> section of the docs.
> 

Ah - thanks! We'll want to use this instead of function_type_arity, so default 
arguments work. Adding an assertion that the arity of the function is greater or 
equal to the number of elements in the tuple would be nice.

Regards,

Tobias