https://cassiobotaro.dev/en/tags/select/Recent content in Select on cassiobotaroHugoenMon, 19 Oct 2026 21:32:29 -0300https://cassiobotaro.dev/en/posts/go-concurrency-fan-in/Tue, 20 Oct 2026 00:00:00 -0300https://cassiobotaro.dev/en/posts/go-concurrency-fan-in/<video src="https://cassiobotaro.dev/videos/fan_in.mp4" title="Several input channels combined into a single output channel" aria-label="Several input channels combined into a single output 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-tee/" >tee</a> one channel became several copies. In the <a href="https://cassiobotaro.dev/en/posts/go-concurrency-fan-out/" >fan-out</a> one channel became several workers.</p> <p>Now it&rsquo;s the other way around. I have three generators and I want to read everything with a single <code>range</code>.</p> <h2 id="what-a-fan-in-is"> What a fan-in is <a class="heading-link" href="#what-a-fan-in-is"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>A fan-in copies the values of several input channels into a single output channel.</p>