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Perform an operation on every item of a list

Perform an operation on every item of a list, e.g.
for the list ["ox", "cat", "deer", "whale"] calculate
the list of sizes of the strings, e.g. [2, 3, 4, 5]
DiskEdit
fsharp 1.9.9.9
let lengths = List.map String.length ["ox"; "cat"; "deer"; "whale"]
DiskEdit
clojure
(map count ["ox" "cat" "deer" "whale"])

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