Re: [boost] Re: Passing parameters through functions

From: Jaakko Jarvi (jajarvi_at_[hidden])
Date: 2002-10-30 15:37:41

> template< class T >
> void create_and_run() { T t; t.run(); }
> 
> template< class T, typename A1 >
> void create_and_run( A1 a1 ) { T t( a1 ); t.run() }
> 
> template< class T, typename A1, typename A2 >
> void create_and_run( A1 a1, A2 a2 ) { T t( a1, a2 ); t.run() }
> 
> // etc. ad nauseum; try boost preprocessor library to save repetition for N
> args
> 
> create_and_run< SpecialObject >( x, y );

If you can control your SpecialObjects, give them a constructor taking
a tuple. Now you can do:

template<class T, class ATuple>
void create_and_run(const ATuple& t)
{
  T  anObject(t); return anObject.run();
}

obviously your call will then look like:

create_and_run<SpecialObject>(boost::make_tuple(x, y));

/Jaakko