envflags

package module

v0.0.0-...-2faaef9 Latest Latest Go to latest Published: Jul 29, 2019 License: MIT Imports: 4 Imported by: 0

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var (
	DefaultConfig Config
	DefaultFlags  *pflag.FlagSet
	DefaultEnv    []string
)

func Apply() error

func ApplyTo(flags *pflag.FlagSet) error

func ApplyWith(env []string, flags *pflag.FlagSet) error

type Config struct {
	Prefix      string
	TransformFn TransformFn
	NameFn      NameFn
	Override    bool
}

func NewConfig() Config

type Envflags interface {
	ApplyTo(flags *pflag.FlagSet) error
	ApplyWith(env []string, flags *pflag.FlagSet) error
}

func New(cfg Config) Envflags

type NameFn func(prefix string, flagName string) string

type TransformFn func(name string) string