singleflight

package
Version: v0.0.0-...-c0df949 Latest Latest
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Published: Feb 16, 2018 License: Apache-2.0 Imports: 1 Imported by: 0

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Types

type SingleFlight

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

func (*SingleFlight) Do

func (g *SingleFlight) Do(key interface{}, fn func() (interface{}, error)) (interface{}, error)

do executes and returns the results of the given function, making sure that only one execution is in-flight for a given key at a time. If a duplicate comes in, the duplicate caller waits for the original to complete and receives the same results.

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