vector<>.begin()

[Nathan Myers]

On Fri, Nov 07, 2003 at 03:41:52PM +0100, Gabriel Dos Reis wrote:
> Jeff Williams <jwilliams@mfchelp.com> writes:
> 
> | Ok, I see your point there.  Perhaps then what I will do is leave my
> | "custom" modification in there and slowly convert my code to
> | &*begin(), 
> 
> I consistently use &v[0] in my own codes -- it also works with
> built-in arrays. 

A warning...  the effects of the expressions "&v[0]" and "&*v.begin()"
are both undefined on empty vectors.  It would be wise to add 
"assert(v.size());" before such uses.  (Likewise for "v.begin().base()"
and "v.begin()->ptr()".)

Nathan Myers
ncm-nospam@cantrip.org