void function ( ) { while ( size > 0 ) pop ( ) ; }
removes all elements from the list . concode_field_sep Node head concode_elem_sep Node prev concode_elem_sep int size concode_elem_sep Node next concode_field_sep void add concode_elem_sep void add concode_elem_sep Node getTail concode_elem_sep void touch concode_elem_sep Node getNext concode_elem_sep Node getPrev concode_elem_sep void remove concode_elem_sep void push concode_elem_sep void insertBefore concode_elem_sep Node pop concode_elem_sep int getSize concode_elem_sep void unlink concode_elem_sep Node getHead concode_elem_sep void setNext concode_elem_sep Node unpush concode_elem_sep void setPrev concode_elem_sep void unpop