/** \brief swap content of this and other pointers.
* \param other element to swap content with.
*/
void swap(this_type &other)
{
pointer tmp=other.release();
assert( other.get()==NULL );
other.t_=get();
t_=tmp;
}
/** \brief swap content of this and other pointers.
* \param other element to swap content with.
*/
void swap(this_type &other)
{
pointer tmp=other.release();
assert( other.get()==NULL );
other.t_=get();
t_=tmp;
}