conf

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

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

type LoadOption func(*loadConfig)

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

type Provider interface {
	// StringVar registers a pointer to a string that will be set to the value of
	// the configuration parameter with the given name. If the parameter is
	// not set, the fallback value will be used. If the parameter is
	// required and not set, it will be considered missing.
	StringVar(to *string, name, fallback string, required bool)
	IntVar(to *int, name string, fallback int, required bool)
	BoolVar(to *bool, name string, fallback bool, required bool)
	// Load loads the actual values into the pointers. It should be called
	// after all calls to Var.
	Load() error
	// Missing returns a list of missing required configuration parameters.
	// It must only be called after Load, as otherwise it will always be
	// empty.
	Missing() []string
}