This is done in order to make sure that connection
object outlives the asynchronous operation: as long as the lambda is alive (i.e. the async. operation is in progress), the connection
instance is alive as well.
This is done in order to make sure that connection
object outlives the asynchronous operation: as long as the lambda is alive (i.e. the async. operation is in progress), the connection
instance is alive as well.