1// Copyright 2021 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// [START firestore_generated_firestore_DocumentRef_Snapshots] 16 17package main 18 19import ( 20 "context" 21 22 "cloud.google.com/go/firestore" 23) 24 25func main() { 26 ctx := context.Background() 27 client, err := firestore.NewClient(ctx, "project-id") 28 if err != nil { 29 // TODO: Handle error. 30 } 31 defer client.Close() 32 iter := client.Doc("States/Idaho").Snapshots(ctx) 33 defer iter.Stop() 34 for { 35 docsnap, err := iter.Next() 36 if err != nil { 37 // TODO: Handle error. 38 } 39 _ = docsnap // TODO: Use DocumentSnapshot. 40 } 41} 42 43// [END firestore_generated_firestore_DocumentRef_Snapshots] 44