tree 9a5dbe9f8da4c35f8726d9db093322177750f138
parent 4ec915c7d17bba8757e01f4bcce6b8ff5bea57fa
author Takeru Ohta <phjgt308@gmail.com> 1509131572 +0900
committer Takeru Ohta <phjgt308@gmail.com> 1509132544 +0900

Merge `start_root_span` into `start_span`