options

Documentation

Index

• Constants
• Variables
• func CheckErr(err error)
• func InvalidArg(value string, values []string) error
• func InvalidArgError(value string, err error) error
• func InvalidArgf(value string, message string, a ...interface{}) error
• func InvalidOption(name string, value string, values []string) error
• func InvalidOptionf(option string, value interface{}, message string, a ...interface{}) error
• func MissingOption(name string) error
• func SuggestionsFor(typedName string, values []string, suggestionsMinimumDistance int, ...) []string

Constants

const (
	// DefaultErrorExitCode is the default exit code in case of an error
	DefaultErrorExitCode = 1

	// DefaultSuggestionsMinimumDistance default distance when generating suggestions if an option/arg is wrong
	DefaultSuggestionsMinimumDistance = 2
)

Variables

var (

	// ErrExit can be used to exit with a non 0 exit code without any error message
	ErrExit = fmt.Errorf("exit")
)

Functions

func CheckErr

func CheckErr(err error)

CheckErr prints a user friendly error to STDERR and exits with a non-zero exit code.

func InvalidArg

func InvalidArg(value string, values []string) error

func InvalidArgError

func InvalidArgError(value string, err error) error

func InvalidArgf

func InvalidArgf(value string, message string, a ...interface{}) error

func InvalidOption

func InvalidOption(name string, value string, values []string) error

func InvalidOptionf

func InvalidOptionf(option string, value interface{}, message string, a ...interface{}) error

InvalidOptionf returns an error that shows the invalid option.

func MissingOption

func MissingOption(name string) error

MissingOption reports a missing command line option using the full name expression.

func SuggestionsFor

func SuggestionsFor(typedName string, values []string, suggestionsMinimumDistance int, explicitSuggestions ...string) []string