singleflight

package

v1.3.9 Latest Latest Go to latest Published: Jul 21, 2022 License: GPL-3.0 Imports: 1 Imported by: 0

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

Group 是 singleflight 的主数据结构，管理不同 key 的请求(call)。

func NewGroup() *Group

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

Do 保证key所对应的fn函数同一时刻只会执行一次