If it had over 100 votes and was in the last few days you might find it by scanning through here:

https://news.ycombinator.com/best

You can also look at the front page from a specific day here:

https://news.ycombinator.com/front?day=2020-04-08

Through that I found this item:

Clojure: https://news.ycombinator.com/item?id=22797858

And this:

IO: https://news.ycombinator.com/item?id=22796409