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Subject: Re: [boost] [General] A standard idiom or technique?
From: Eric Niebler (eric_at_[hidden])
Date: 2008-10-24 11:36:39

Jeff Flinn wrote:
> What would be useful is a generic function object whose argument is the
> tuple from above and can forward to a supplied function whose arguments
> are the individual values from the tuple.
> Something that keeps me from littering my code with custom functions ala:
> void existing_function(const T1&, const T2&, const T3&);
> struct tuple_adaptation_of_existing_function
> {
> void operator()(const tuple<T1, T2, T3>& t) const
> {
> existing_function(get<0>(t), get<1>(t), get<2>(t));
> }
> };

Yep. Boost.Fusion has several such utilities ...

Eric Niebler
BoostPro Computing

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