func Address(a string) Option {
	return func(c *config) {
		c.address = a
	}
}
// Address returns the option setting default address.
// FlagAddress is set required if the default address is not set.
Address returns the option setting default address.
FlagAddress is set required if the default address is not set.
// Address returns the option setting default address . // FlagAddress is set required if the default address is not set .
func Address(a string) Option {
	return func(c *config) {
		c.address = a
	}
}
func Address ( a string ) Option { return func ( c * config ) { c . address = a } }
Address returns the option setting default address.
Address returns the option setting default address .