function
boot.janet on line 1374, column 1
(invert ds)
Returns a table where the keys of an associative data structure are
the values, and the values are the keys. If multiple keys in `ds`
are mapped to the same value, only one of those values will become
a key in the returned table.
(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}