tree ee532bf1cf9acef02bf943116768d937fdc7ef24
parent afbfc6a092455f0460302dda00c7d4314585365a
author Yuki Ueda <ikuyadeu@yahoo.co.jp> 1578291632 +0900
committer Yuki Ueda <ikuyadeu@yahoo.co.jp> 1578291632 +0900

avoid unnecessary copy (repeat 8834e4f)