flaghelpers

Documentation

Index

• type StringFlag
  • func NewStringFlag() StringFlag
  • func (s *StringFlag) IsSet() bool
  • func (s *StringFlag) Set(in string) error
  • func (s *StringFlag) String() string

Types

type StringFlag

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

StringFlag is a custom struct implementing flag.Value interface It is needed to detect whether a flag has actually been set or not since a string's nil value is "" and that could be a valid value

func NewStringFlag

func NewStringFlag() StringFlag

NewStringFlag returns a new StringFlag that implements flag.Var interface. This allows us to check whether the string flag was actually set or not instead of just comparing the string to empty string

func (*StringFlag) IsSet

func (s *StringFlag) IsSet() bool

IsSet indicates if whether the flag has actually been set or not

func (*StringFlag) Set

func (s *StringFlag) Set(in string) error

Set implements the flag.Value interface

func (*StringFlag) String

func (s *StringFlag) String() string

String implements the flag.Value interface