iterator() : Iterator() {} \
iterator( Node* node, Self* ht ) : Iterator( node, ht ) {} \
iterator& operator++() { PlusPlus(); return *this; } \
iterator() : Iterator() {} \
iterator( Node* node, Self* ht ) : Iterator( node, ht ) {} \
iterator& operator++() { PlusPlus(); return *this; } \
const_iterator() : Iterator() {} \
const_iterator( Node* node, const Self* ht ) \
: Iterator( node, (Self*)ht ) {} \
const_iterator() : Iterator() {} \
const_iterator( Node* node, const Self* ht ) \
: Iterator( node, (Self*)ht ) {} \