Golang with JSON - Qiita

type Record struct { Time time.Time Station string Temperature float64 Rain float64 } func readRecord(fileName string) (Record, error) { file, err := os.Open(fileName) if err != nil { log.Fatal(err) } defer file.Close() var rec Record dec := json.NewDecoder(file) if err := dec.Decode(&rec); err != nil { return Record{}, err } return rec, nil } func main() { fileName := "sample-app/record.json" rec