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comp.lang.ruby

Re: Recursive dup

Phillip Gawlowski

5/5/2008 2:07:00 PM

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Iñaki Baz Castillo wrote:

| I know that I should personalize "dup" method for class A, but is not
| any other way? Does exist any automatic way of doing it?
| I expect some method "dup_recursive" that looks for objects into
| attributes recursively and clones them instead of reference.

If your storage of objects can be enumerated, you could use .each,
duplicate the objects you store, and re-store them.

That doesn't seem terribly efficient, though, so proceed with caution
(but it may get you started in the right direction :).

- --
Phillip Gawlowski
Twitter: twitter.com/cynicalryan
Blog: http://justarubyist.bl...

Make sure comments and code agree.
~ - The Elements of Programming Style (Kernighan & Plaugher)
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