function
boot.janet on line 1318, column 1
(invert ds)
Returns a table where the keys of an associative data structure are
the values, and the values of the keys. If multiple keys have the
same value, one key will be ignored.
(invert [(chr "y") (chr "o")])
# => @{111 1 121 0}(invert :yo)
# => @{111 1 121 0}(invert "yo")
# => @{111 1 121 0}(invert [:ant :bee :elephant :fox :penguin])
# => @{:bee 1 :fox 3 :elephant 2 :ant 0 :penguin 4}(invert {:a 1 :b 2 :c 3})
# => @{3 :c 1 :a 2 :b}