SERVER-26228 Change `PoolForHost` to use RAII.

The explicit management code is brittle, and can be replaced with
some simpler code and a default destructor.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/mongo/client/connpool.h b/src/mongo/client/connpool.h
index 2dbd104384a..683270d0021 100644
--- a/src/mongo/client/connpool.h
+++ b/src/mongo/client/connpool.h
@@ -139,11 +139,11 @@ public:
 
 private:
     struct StoredConnection {
-        StoredConnection(DBClientBase* c);
+        StoredConnection(std::unique_ptr<DBClientBase> c);
 
         bool ok();
 
-        DBClientBase* conn;
+        std::unique_ptr<DBClientBase> conn;
         time_t when;
     };