Sometimes, we may want a few examples of a Clojure API for inspiration while developing, especially when reading other people's or open source code.
With Cider in Emacs, we can run M-x cider-doc to see the docstring for the symbol. We can even use M-x cider-clojuredocs for some examples if the symbol is from the language core.
I happened to find this command recently. I bet I was not the only one who didn't know it, thus I'm sharing.