Re^2: Copy of an anonymous hash?


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Re^2: Copy of an anonymous hash?

by salva (Canon)

on Apr 26, 2005 at 12:18 UTC ( [id://451521]=note: print w/replies, xml )

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in reply to Re: Copy of an anonymous hash?
in thread Copy of an anonymous hash?

deep copy is not always the solution:

There is shallow copy in one extreme and deep copy in the other an in the middle lots of intermediate solutions, which one is the good one depends on the particular data representation.

For instance, if you are cloning an object representing an XML node, you will like to deep-copy all its children but not the pointer to its parent.

Comment on Re^2: Copy of an anonymous hash?

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Re^3: Copy of an anonymous hash? by pelagic (Priest) on Apr 26, 2005 at 12:29 UTC
100% agreed! I didn't say deep copy is the solution, I said it's the topic ;) pelagic	[reply]
Re^3: Copy of an anonymous hash? by ambrus (Abbot) on Apr 26, 2005 at 19:47 UTC
Shallow copy is usually a good solution: all you need is to do a shallow copy whenever you change a structure.	[reply]

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