"used as value" in function call

使用快速排序出现的错误

# command-line-arguments
./createBigFile.go:124:27: quicksort(low) used as value
./createBigFile.go:124:43: quicksort(hight) used as value

You've forgotten to declare a return value. It should be:

quicksort(arr []int)( []int)