|Think about Loose Coupling|
Re^2: aliasing arrays using typeglob under strictby BrowserUk (Pope)
|on Feb 08, 2013 at 13:52 UTC||Need Help??|
Am I overlooking something?
Yes. You are copying the entire array. What was the point of passing a reference?
That's a very costly operation even for moderately large arrays, just to avoid indirecting through the reference.
But if you can avoid indirect syntax for array and hashes, and avoid copying, and retaining read/write access; all for the cost of naming the argument; all achieved with no action at a distance -- everything is confined to the scope of the subroutine -- then I think that the "syntactic advantages" are clear.
Try re-writing this without aliasing and it will either be much less clear syntactically; or vastly less efficient:
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