Closing file without defer

defer.go

func findHelloWorld(filename string) error {
        file, err := os.Open(filename)
        if err != nil {
                return err
        }
        defer file.Close()
        
        scanner := bufio.NewScanner(file)
        for scanner.Scan() {
                if scanner.Text() == "hello, world!" {
                        return nil
                }
        }

        if err := scanner.Err(); err != nil {
                return err
        }
        
        return errors.New("Didn't find hello world")
}

no_defer.go

func findHelloWorld(filename string) error {
        file, err := os.Open(filename)
        if err != nil {
                return err
        }
        
        scanner := bufio.NewScanner(file)
        for scanner.Scan() {
                if scanner.Text() == "hello, world!" {
                        file.Close()
                        return nil
                }
        }

        file.Close()
        if err := scanner.Err(); err != nil {
                return err
        }
        
        return errors.New("Didn't find hello world")
}