type Definition … const exampleLine … const exampleColumn … const exampleOffset … type definition … func (d *definition) Name() string { … } func (d *definition) Parent() string { … } func (d *definition) Usage() string { … } func (d *definition) ShortHelp() string { … } func (d *definition) DetailedHelp(f *flag.FlagSet) { … } // Run performs the definition query as specified by args and prints the // results to stdout. func (d *definition) Run(ctx context.Context, args ...string) error { … }