tree 0b48556f0cc2fd6804ff1e0b0c4b3dd736d7cf3e
parent ffaf1f47cfd1a47e8420e9886e731cbabce7b8c5
author Toshio Koide <t-koide@onlab.us> 1372280244 -0700
committer Toshio Koide <t-koide@onlab.us> 1372280561 -0700

make FlowId class to be comparable.