command

type Command struct {
	Name       string
	ShortHelp  string
	ShortUsage string
	LongHelp   string

	Flags *flag.FlagSet
	Exec  func(ctx context.Context, args []string) error

	Subcommands []*Command
	// contains filtered or unexported fields
}

type ParseOption func(*ParseOptions) error

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

type VersionInfo interface {
	// The version number
	Version() string

	// The revision identifier of the commit
	Revision() string

	// The modification time of the commit, in RFC3339 format
	Time() string

	// Whether the source tree had uncommitted local changes
	Modified() bool

	// The version of the Go toolchain that built the binary
	GoVersion() string
}