tree 0fa149dab311ad9dd7c9a736b9026889580fac3d
parent 74eb6feaed269ab044c203318682f4420efb9600
author Wu Sheng <wu.sheng@foxmail.com> 1582254103 +0800
committer Wu Sheng <wu.sheng@foxmail.com> 1582254103 +0800

Support extract logic and add segment ref concept.