in

var (
	// ErrParseUserFromStdin is returned when the user alias from stdin cannot be parsed
	ErrParseUserFromStdin = errors.New("invalid user id or account name from stdin")
	// ErrParseTweetFromStdin is returned when the tweet id from stdin cannot be parsed
	ErrParseTweetFromStdin = errors.New("invalid tweet id from stdin")
	// ErrParseInput is returned if the input from stdin cannot be parsed
	ErrParseInput = errors.New("failed parse input from stdin")
	// ErrAbortInput is returned if the user aborted input action
	ErrAbortInput = errors.New("waiting for input was aborted")
	// ErrUnknownInput is returned if the user entered an unknown action
	ErrUnknownInput = errors.New("unknown answer entered")
)