Re: [boost] Shared_ptr serialization

11 Nov 2004


      David Abrahams wrote:
...
"Peter Dimov" <pdimov@mmltd.net> writes:
...
template<class T> void write( std::ostream & os, boost::shared_ptr<T>
const & pt )
{
    if( pt )
    {
        int pid = wpmap[ pt ];
if( pid != 0 )
        {
            write( os, pid );
        }
        else
        {
            pid = wpmap.size();
I could be wrong, but don't you need to add 1 here?  wpmap starts out
empty, after all.
It's a complete and working program, just run it. ;-) wpmap[pt] has already 
added the element. map::find-based code needs +1.