https://gophercoding.com/tags/number/Recent content in Number on Gopher CodingHugoen-gbThu, 27 Apr 2023 18:46:03 +0100https://gophercoding.com/find-length-of-array/Thu, 15 Sep 2022 15:00:00 +0000https://gophercoding.com/find-length-of-array/<p>You can find the length of an <strong>array</strong>, or to be correct a <em>slice</em> or <em>map</em>, in Go by using the standard library function <code>len()</code>. We use the term array loosely here, as a general variable holding multiple things. Maps tend to have defined keys, whereas slices don&rsquo;t (<a href="https://boltandnuts.wordpress.com/2017/11/20/go-slice-vs-maps/">more info on the difference here</a>).</p> <p>We have shown both as examples below, how to get the length of a slice and how to get the length of a map. In Golang, the method is the same for both.</p>