<p><span class="h-card" translate="no"><a href="https://hci.social/@chrisamaphone" class="u-url mention">@<span>chrisamaphone</span></a></span> Great point. We have several of these in the Racket ecosystem, and it's almost trivial to create more. For instance, many years ago I created this *purely* through macros, which is a fun exercise: see `examples.rkt`:</p><p><a href="https://github.com/shriram/p4p" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">github.com/shriram/p4p</span><span class="invisible"></span></a></p>
