Clojure Specter: how to find map keys that have specific value?

Question

Eg in a map:

{"test-1" 23,
 "test-2" 456,
 "test-3" 23}

How to find keys that have value 23?

Answer 1

If you want to find something using Specter, it is better to use specter/select.

(use 'com.rpl.specter)    

(select [ALL #(= (second %) 23) FIRST]
  {"test-1" 23,
   "test-2" 456,
   "test-3" 23})