add Copy to (Array)List about gods HOT 5 OPEN

@dvaerum sounds reasonable, let me mediate on this. if implemented, you are right, it should be for all structures. not sure if this would be able to copy a linked-list into array-list, so perhaps what you need is a Clone method?

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You can call Clone if you want 😉 as long that I get the function to dublicate all the data and still have it accessible from the same lovely interface that I dublicated from 😃

But since you want to call it Clone instead of Copy , is there any difference in what to expect based on the wording or is it just what one preferes?

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Clone, at least from my experience in other programming languages, usually creates the identical structure and type as the original.

Copy could be the same, not sure what the difference is, but in C++ you get the copy-constructor which might behave differently, e.g. overloaded copy constructor that can accept different data structure types.

Frankly I am not sure if there is much difference, so it's best to ask you if Clone name would be sufficiently intuitive for you to know that it does what you are asking for or would you find Copy more intuitive?

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I would say it is sufficiently intuitive 😄 so let's stick to what everyone else does 👍

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PR #150 implemented Clone for all ArrayList, SinglyLinkedList and DoublyLinkedList.

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