tree 9efe62be3c291dacdf4c539b2ecbe952776ee7d5
parent 2f45319b4e5862f9dc57bd1ffd11e55ab44efa61
author Milo Yip <miloyip@gmail.com> 1499933256 +0800
committer Milo Yip <miloyip@gmail.com> 1499933256 +0800

Fix #1017 allOf keyword fail with Writer handler

Gave up using static binding for null handler, because it cannot be
used with arbitrary handler type. Change `OutputHandler handler_` to
pointer type.