func (c *Cluster) AddHost(address *URI) {
	c.mutex.Lock()
	defer c.mutex.Unlock()
	c.hosts = append(c.hosts, address)
	c.okList = append(c.okList, true)
}
func (c *Cluster) AddHost(address *URI) {
	c.mutex.Lock()
	defer c.mutex.Unlock()
	c.hosts = append(c.hosts, address)
	c.okList = append(c.okList, true)
}
func ( c * Cluster ) AddHost ( address * URI ) { c . mutex . Lock ( ) defer c . mutex . Unlock ( ) c . hosts = append ( c . hosts , address ) c . okList = append ( c . okList , true ) }
// AddHost adds a host to the cluster.
AddHost adds a host to the cluster .