tree 693e3bcdd7778cc70e47412aafdb88ad893df6ab
parent 003ed3273e1c7965cbfec61cb9896ba8dbfff8a6
author Sho SHIMIZU <sshimizu@us.fujitsu.com> 1455331109 -0800
committer Gerrit Code Review <gerrit@onlab.us> 1455669528 +0000

Make use of Optional more idiomatic

Change-Id: I42b3261169e7cb8408f46c5831f72115f77fd779