Iterate over iterator golang

func printEvenNumbers(max int) {
    iter := NewEvenNumberIterator(max)
    for iter.Next() {
        fmt.Printf("n: %d\n", iter.Value())
    }
    if iter.Err() != nil {
        log.Fatalf("error: %s\n", iter.Err())
    }
}

Source: blog.kowalczyk.info

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