Essential Go / gob

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package main import ( "encoding/gob" "os" "log" "fmt" ) type User struct { Username string Password string } func writeToGob(path string, user *User) error { file, err := os.Create(path) if err != nil { return err } encoder := gob.NewEncoder(file) err = encoder.Encode(user) if err != nil { file.Close() return err } return file.Close() } func main() { user := User{ Username: "Angus", Password: "1234", } path := "user.gob" err := writeToGob(path, &user) if err != nil { log.Fatalf("writeToGob() failed with '%s'\n", err) } st, err := os.Stat(path) if err != nil { log.Fatalf("os.Stat() failed with '%s'\n", err) } fmt.Printf("Wrote user struct to file '%s' of size %d\n", path, st.Size()) }
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