From: Rene Rivera (grafik.list_at_[hidden])
Date: 2006-01-25 19:35:51
David Abrahams wrote:
> Rene Rivera <grafik.list_at_[hidden]> writes:
>> Before I go writing a bunch of code... Is there a way to apply the
>> parameters of an ArgumentPack individually to a function?
>> What I need/want is to be able, through Boost.MPL, to apply each
>> argument in the ArgumentPack to a single function based of the keyword
>> type. For example:
>> struct A
>> template <typename Keyword, typename Value>
>> void SetArgument( Value & v );
>> template <typename ArgPack>
>> void setter( A & a, ArgPack & p )
>> // for each arg in p:
>> // a.SetArgument<arg::key_type>(arg.value)
>> Or equivalent thereof, without knowing ahead of time what the possible
>> argument keywords and values are. I did some minor looking in the
>> parameter code but didn't see anything obvious that already does this.
> It sounds to me like you want a parameter::for_each that can iterate
> the ArgumentPack. Is that accurate?
...I can write one, if such a thing doesn't exist. Although I've been
looking and it seems one would have to do some template type deductions
as there's no existing tail type define in the arg_list template.
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