* add QueueConfigData setter

* update weights

* syntax change

* add test case

* fix Result error

* cargo fmt

* Apply suggestions from code review

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>

* update

* one call per set

* cargo fmt

* cargo fmt

* mutate method

* cargo fmt

Co-authored-by: Alexander Popiak <alexander.popiak@gmail.com>