Re^4: How foreach loops decide what to iterate through

The insight moment for me in this thread was getting when it is that an anonymous array is created and used (and therefore the loop is unaffected by modifications to the original array during its execution) as opposed to the original array itself being used during the loop.

Note to self: check copy of PBP to see if this is mentioned.

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Comment on Re^4: How foreach loops decide what to iterate through

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Re^5: How foreach loops decide what to iterate through by ikegami (Patriarch) on Feb 16, 2009 at 02:24 UTC
an anonymous array is created and used An anonymous list, not an anonymous array. (Well, all lists are anonymous.) No array is created. Arguments and return values of functions and subs are placed on the stack as a list of scalars.	[reply]


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