dss: fix redundant closure - Githubissues

pingcap / talent-plan

open source training courses about distributed database and distributed systems

https://tidb.io/talent-plan

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dss: fix redundant closure #360

Closed overvenus closed 4 years ago

overvenus commented 4 years ago

What problem does this PR solve?

Issue number: close https://github.com/pingcap/talent-plan/issues/356
Breif description of the problem:

Fix clippy warning redundant closure .

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