* added pkg/util/rinq package to handle queueing of notifications
* fix linters
* Fix typo in comment
Co-authored-by: Dan Cech <dcech@grafana.com>
* improve allocation strategy for Enqueue; remove unnecessary clearing of slice
* Update pkg/util/ringq/dyn_chan_bench_test.go
Co-authored-by: Dan Cech <dcech@grafana.com>
* Update pkg/util/ringq/ringq.go
Co-authored-by: Dan Cech <dcech@grafana.com>
* refactor to move stats and shrinking into Ring
* add missing error assertions in tests
* add missing error assertions in tests and linting issues
* simplify controller closed check
* improve encapsulation of internal state in Ring
* use (*Ring).Len for clarity instead of stats
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Co-authored-by: Dan Cech <dcech@grafana.com>
