[boost] Re: boost::array

From: Dave Gomboc (dave_at_[hidden])
Date: 2003-08-09 03:54:29

dave> > const in array{] = {1, 2, 3, 4};
dave> > boost::array<int> ba(array);
dave> > std::copy(ba.begin(), ba.end(), std_ostream_iterator<int>(std::cout));
dave> >
dave> > Is there already a way to do this?  Or is there some reason why
dave> > one would never want to do this?
dave>
dave> AFAICR boost::array allows initialization.  I would try
dave>
dave> const boost::array<int> ba = {1, 2, 3, 4};
dave> std::copy(ba.begin(), ba.end(), std_ostream_iterator<int>(std::cout));
> 
> But he doesn't want coping. There's the simple solution
> 
> const int array[] = {1, 2, 3, 4};
> std::copy(array, array + 4, ...);
> 
> and also there's the array_traits in the sandbox.
> 
> However, did he want the exact interface as boost::array? If so, I'd say
> we need a new class called ptr_array that adapts a pointer and a size 
> into an array.

Is this a copy, or an initialization?

> const in array{] = {1, 2, 3, 4};

Is this a copy, or an initialization?

> const boost::array<int> ba = {1, 2, 3, 4};

Dave