options.go
func Address(addr string) Option {
	return Option(func(c *config) {
		c.Conn.Addr = addr
	})
}
func Address(addr string) Option {
	return Option(func(c *config) {
		c.Conn.Addr = addr
	})
}
// Address sets the address of the StatsD daemon.
//
// By default, ":8125" is used. This option is ignored in Client.Clone().