env

func Bool(key string) (bool, error)

func BoolDefault(key string, def bool) bool

func Bytes(key string) ([]byte, error)

func BytesDefault(key string, def []byte) []byte

func Int(key string) (int, error)

func IntDefault(key string, def int) int

func MustBool(key string) bool

func MustBytes(key string) []byte

func MustInt(key string) int

func MustStr(key string) string

func New(filenames ...string) error

func Str(key string) (string, error)

func StrDefault(key, def string) string