| // +build go1.6, !go1.8 | 
 |  | 
 | /* | 
 |  * | 
 |  * Copyright 2017 gRPC authors. | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *     http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  * | 
 |  */ | 
 |  | 
 | package naming | 
 |  | 
 | import ( | 
 | 	"net" | 
 |  | 
 | 	"golang.org/x/net/context" | 
 | ) | 
 |  | 
 | var ( | 
 | 	lookupHost = func(ctx context.Context, host string) ([]string, error) { return net.LookupHost(host) } | 
 | 	lookupSRV  = func(ctx context.Context, service, proto, name string) (string, []*net.SRV, error) { | 
 | 		return net.LookupSRV(service, proto, name) | 
 | 	} | 
 | ) |