From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-03-08 13:33:00
From: "Howard Hinnant" <hinnant_at_[hidden]>
> On Friday, March 8, 2002, at 12:51 PM, Peter Dimov wrote:
>
> > One way to solve it (that I see) is
> >
> > template<class F> vector::vector(size_type n, F f);
> >
> > that will allocate memory and use f(this->_Ptr, n) to initialize it.
>
> I believe you can essentially do the same thing with the existing
> iterator interface.
>
> template <class InputIterator>
> vector(InputIterator first, InputIterator last,
> const Allocator& = Allocator());
>
> Does your proposal have advantages over this?
Why would anyone want an uninitialized vector? One legitimate reason is that
you have an existing C-style library function 'f' that will initialize it.
I don't see how the iterator interface can be used to achieve the same
effect. If the current vector interface is enough, why all this talk about
uninitialized values?