simple and efficient Golang StatsD client

 This is a simple and efficient Golang StatsD client.
 .
 It supports all StatsD metrics: counter, gauge, timing and set, as well
 as InfluxDB and Datadog tags.
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 It is fast and GC-friendly: all functions for sending metrics do not
 allocate. It is efficient: metrics are buffered by default. It has a
 simple and clean API.