cmd

type ExitCodeError struct {
	Code int
	Err  error
	// Reported says the command has already explained the failure to the user,
	// so main should take the exit code and print nothing more. For a failure
	// whose explanation is itself the output — `vinculum man` answering an
	// ambiguous topic with the commands that resolve it — a trailing
	// "Error: ..." line restates the headline and buries the answer.
	Reported bool
}