Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

singleflight

package

Go to main page

Versions in this module

v1

v1.2.0

Sep 15, 2025

v1.1.0

Sep 12, 2025

v1.0.0

Aug 26, 2025

Changes in this version

+ type Group struct

+ func NewGroup[T any]() *Group[T]

+ func (g *Group[T]) Do(key string, fn func() (T, error)) Result[T]

+ func (g *Group[T]) Stats() *Stats

+ type Result struct

+ Err error

+ Initial bool

+ Shared bool

+ Val T

+ type Stats struct

+ NumCalls atomic.Int64

+ NumSuppressedCalls atomic.Int64