1 // Copyright 2016 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package pubsub_test 16 17 import ( 18 "context" 19 "fmt" 20 21 "cloud.google.com/go/pubsub" 22 "google.golang.org/api/iterator" 23 ) 24 25 func ExampleClient_Subscriptions() { 26 ctx := context.Background() 27 client, err := pubsub.NewClient(ctx, "project-id") 28 if err != nil { 29 // TODO: Handle error. 30 } 31 // List all subscriptions of the project. 32 it := client.Subscriptions(ctx) 33 _ = it // TODO: iterate using Next. 34 } 35 36 func ExampleSubscriptionIterator_Next() { 37 ctx := context.Background() 38 client, err := pubsub.NewClient(ctx, "project-id") 39 if err != nil { 40 // TODO: Handle error. 41 } 42 // List all subscriptions of the project. 43 it := client.Subscriptions(ctx) 44 for { 45 sub, err := it.Next() 46 if err == iterator.Done { 47 break 48 } 49 if err != nil { 50 // TODO: Handle error. 51 } 52 fmt.Println(sub) 53 } 54 } 55