Show why a package or module is needed.
Section: Modules Basics
Explain dependency
bash
bash
go mod why -m github.com/pkg/errorsExplanation
Show why a package or module is needed. Useful in Go CLI workflows.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Modules Basics