tree 4053b78964ecd20ccea071100938536cc9dd7cdc
parent 1f5cf71e9307df1a6b1212200b5f1d714cb819d7
author Anbang Xu <anbangx@gmail.com> 1379215621 -0700
committer Anbang Xu <anbangx@gmail.com> 1379215621 -0700

Combine into one loop inside setNextInfo/setPreInfo