Re: list<>.size()

[Joe Buck <jbuck@possibly.synopsys.com>]

> I port code for a living. I have no control over the original
> developer's intelligence. But it seems this thing wouild be trivial to
> implement and rectify an important porting issue. Changing every
> 
> while( list<>.size( ) ) {
>        iterator is = list.begin( );
>        delete *is;
>        list<>.erase( is );
> }
> 
> is tedious. As is changing every:
> 
> if( list<>.size( ) ) {
>     // do blah
> }

Why is this tedious?  You do know about list<...>.empty(), don't you?
The real test here is whether the list is empty and that is guaranteed
to be O(1).  s/size/empty/ in the above.