singleflight

package

v0.0.0-...-aeedb5f Latest Latest Go to latest Published: Apr 26, 2020 License: Apache-2.0 Imports: 1 Imported by: 0

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

管理不同key的请求

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

核心函数，保证一个key只调用一次fn