Re: container design (Was: std::complex design (Was: N-Dimensional array))

From: rwgk (rwgk_at_[hidden])
Date: 2002-03-09 12:04:41

--- In boost_at_y..., Howard Hinnant <hinnant_at_t...> wrote:
> > 4.  The standard would not officially sanction something like
> > uninitialized_flag, and yet people can still easily manage it if 
they
> > want to.
> 
> 5.  This needs a do-the-right-thing clause <sigh>.  Consider:
> 
> std::vector<double> v(10000UL, 0);
> 
> This will match:
> 
> template<class F> vector::vector(size_type n, F f);
> 
> instead of:
> 
> vector(size_type, const value_type&);
> 
> While implementing the "do-the-right-thing clause" is certainly 
doable.  

Would you have a code sample that could help me avoid
learning about potential pitfalls the hard way?
Thanks,
Ralf