 walking of directory pictures and its contents.</span>
            return filepath.SkipDir
        }
        if err != nil {
            return err
        }
        log.Println(path)
        return nil
    }
    err := filepath.Walk(&#34;.&#34;, markFn)
    if err != nil {
        log.Fatal(err)
    }</pre>

<p>
<em>Updating</em>:
The change simplifies most code but has subtle consequences, so affected programs
will need to be updated by hand.
The compiler will catch code using the old interface.
</p>

<h