rollingcounter

package
v1.0.0-alpha5 Latest Latest
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Published: Mar 27, 2019 License: Apache-2.0 Imports: 3 Imported by: 0

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Types

type Counter

type Counter struct {
	// contains filtered or unexported fields
}

Counter is a rolling counter that increments an index up to a maximum value. If the counter reaches the maximum then the counter resets to 0. A single counter instance may be used by multiple Go routines.

func New

func New() *Counter

New returns a new rolling counter

func (*Counter) Next

func (c *Counter) Next(n int) int

Next increments the counter. If the counter reaches n then the counter is reset to 0. Note: n must be greater than 0 or else a panic will result.

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