I'm writing a recursive routine that does destructive processing on a passed ref to an AoHoA... but as I return from each level of recursion, I need to 'undo' the changes made.

...

Is there something better?

Yeah... avoid doing the processing in a destructive manner, if you can. That surely sounds like the wrong approach. If you absolutely need it, you can keep track of what nodes you have already visited by storing a stringified reference in a hash, for example.

In reply to Re: Deepcopy of complex structures. by bart
in thread Deepcopy of complex structures. by BrowserUk

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