,resolver是怎么设置进去的。...// To register dns resolver..., cc resolver.ClientConn, _ resolver.BuildOptions) (resolver.Resolver, error) {
host, port, err :=..., opts resolver.BuildOption) (resolver.Resolver, error) {
var err error
if cli == nil {
cli,..., opts resolver.BuildOption) (resolver.Resolver, error) {
fmt.Printf("calling consul build\n")
fmt.Printf