/** \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 Deep comparison
bool operator== (this_type const &rhs) const
{
return
(!*this && !rhs) ||
(*this && rhs && (
(this->get() == rhs.get()) ||
(**this == *rhs) ) );
}
/** \brief comapre pointers.
* \param other element to compare with.
* \return true if this pointer is less then other, false otherwise.
*/
bool operator<(const this_type &other) const
{
return get()<other.get();
}