#include <ptree.h>
_patnodeのコラボレーション図

変数 | |
| union { | |
| int data | |
| Integer value at leaf  | |
| int thres_bit | |
| Threshold bit at branch  | |
| } | value | 
| Node value   | |
| _patnode * | left0 | 
| Link to left node (bit=0)  | |
| _patnode * | right1 | 
| Link to right node (bit=1)  | |
| union { ... } _patnode::value | 
Node value
Integer value if this is leaf node (in case both left0 and right1 are NULL), or threshold bit if this is branch node (otherwise)
参照元 make_ptree()・ptree_add_entry_at()・ptree_make_root_node().
 1.5.0