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

From: Andy Little (andy_at_[hidden])
Date: 2005-06-19 08:53:26

"Tobias Schwinger" <tschwinger_at_[hidden]> wrote i
> Hi Andy,
>
> sorry for spotting it this late:
>
> Andy Little wrote:
>>
>>   typename boost::enable_if<
>>        ::boost::is_function_type<boost::function_pointer,Function>,
>>        typename boost::function_type_result<Function>::type
>
> ^^^^ This does not really make sense because you instantiate
> 'function_type_result' regardless if 'Function' is a function type. Need
> 'lazy_enable_if' here.
>
>>    >::type
>>    feed_function(Function f, Tuple& t)
>>    {
>>        return function_feeder<Function>::feed(f,t);
>>    }
>>

 Good point. Might be nice to document that  as I guess that this is a common 
use. OTOH I  guess that the fact that there iasnt a::type if its not a function 
is documented

Another weakness of feed_function is that it doesnt support overloaded functions 
by deduction.
regards
Andy Little