RosettaCodeData/Task/Apply-a-callback-to-an-array/AppleScript/apply-a-callback-to-an-array-1.applescript

on callback for arg
    -- Returns a string like "arc has 3 letters"
    arg & " has " & (count arg) & " letters"
end callback

set alist to {"arc", "be", "circle"}
repeat with aref in alist
    -- Passes a reference to some item in alist
    -- to callback, then speaks the return value.
    say (callback for aref)
end repeat