Get Floats Defer

GetFloatsDefer

func GetFloats(fileName string)([]float64, error){
	var numbers []float64
	file, err := OpenFile(fileName)
	
	if err != nil {
		return nil, err
	}
	defer CloseFile(file)
	scanner := bufio.NewScanner(file)
	for scanner.Scan(){
		number, err := strconv.ParseFloat(scanner.Text(), 64)
		if err != nil {
			return nil, err
		}
		numbers = append(numbers, number)
	}
	
	if scanner.Err() != nil{
		return nil, scanner.Err()
	}
	return numbers, nil
}