<p><span class="h-card" translate="no"><a href="https://mastodon.social/@dabeaz" class="u-url mention">@<span>dabeaz</span></a></span> I had to use them "for real"bfor the fist time in the last few months.</p><p>They are usable. 90% are more or less straightforward and just add verbosity to 9therwise terse code.</p><p>the remaining 10% are "edge cases" which can be made to work in a few hours, or you just beuteforce them with "Any" and alike.</p><p>I maintain that you are working for the tooling when doing annotations, and not the other way around</p>