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/*
Package ratecounter provides a thread-safe rate-counter, for tracking counts
in an interval
Useful for implementing counters and stats of 'requests-per-second' (for example).
// We're recording marks-per-1second
counter := ratecounter.NewRateCounter(1 * time.Second)
// Record an event happening
counter.Mark()
// get the current requests-per-second
counter.Rate()
To record an average over a longer period, you can:
// Record requests-per-minute
counter := ratecounter.NewRateCounter(60 * time.Second)
// Calculate the average requests-per-second for the last minute
counter.Rate() / 60
*/
package ratecounter
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