singleinstance

package
v0.76.0 Latest Latest
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 Go to latest Published: Oct 13, 2026 License: MIT Imports: 1 Imported by: 0

Documentation

Overview

Package singleinstance provides a mechanism to ensure only one instance of a function runs at a time.

Index

Constants

This section is empty.

Variables

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Functions

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Types

type Group 

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

Group represents a class of work and forms a namespace in which units of work can be executed with duplicate suppression.

func NewGroup 

func NewGroup() *Group

func (*Group) Do 

func (g *Group) Do(key string, fn func() (any, error)) (v any, err error, aborted bool)

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 will be aborted. The return value aborted indicates whether v was aborted.

Source Files

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