If you&#x27;re like me and had no idea what<p>_ struct{} &#x2F;&#x2F; to prevent unkeyed literals<p>means, some explanation turns up here: <a href="https:&#x2F;&#x2F;groups.google.com&#x2F;forum&#x2F;#!topic&#x2F;golang-nuts&#x2F;NSjVW82i0mY" rel="nofollow">https:&#x2F;&#x2F;groups.google.com&#x2F;forum&#x2F;#!topic&#x2F;golang-nuts&#x2F;NSjVW82i...</a>