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

runtime

package

Go to main page

Versions in this module

v1

v1.10.0

Mar 2, 2026

v1.9.2

Jun 5, 2024

v1.9.1

Apr 21, 2024

v1.9.0

Mar 12, 2024

Changes in this version

+ func IsNil(i any) bool

v1.8.0

Mar 30, 2023

Changes in this version

+ func ControllerFrom(ctx context.Context) (string, bool)

+ func GetController(ctx context.Context) string

+ func GetControllerInCaller() string

+ func Must(t T, err error) T

+ func WithController(ctx context.Context, controller string) context.Context