https://cassiobotaro.dev/en/tags/fan-out/Recent content in Fan-Out on cassiobotaroHugoenTue, 13 Oct 2026 08:07:51 -0300https://cassiobotaro.dev/en/posts/go-concurrency-fan-out/Tue, 13 Oct 2026 00:00:00 +0000https://cassiobotaro.dev/en/posts/go-concurrency-fan-out/<video src="https://cassiobotaro.dev/videos/fan_out.mp4" title="Three workers splitting the values of the same channel" aria-label="Three workers splitting the values of the same channel" autoplay loop muted playsinline controls preload="metadata" style="width: 100%; height: auto;"> </video> <p>In the <a href="https://cassiobotaro.dev/en/posts/go-concurrency-worker/" >worker</a> the <code>fmt.Printf</code> played the role of the processing. Now let&rsquo;s pretend it takes a while.</p> <p>A <code>time.Sleep</code> of 100 milliseconds per value. There are ten values, in other words, one second staring at the screen.</p> <p>What if I put three workers reading from the same channel?</p>