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Apply a callback to an array: Difference between revisions
→{{header|AppleScript}}: Add
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array[ +4] = +16
</pre>
=={{header|AppleScript}}==
<lang 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</lang>
If the callback would <code>set arg's contents to "something"</code>, then <code>alist</code> would be mutated.
=={{header|AutoHotkey}}==
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