Well, seeing as apparently you understand this article maybe you could give us an example how to turn foreach (@list){ ... } into a cursor based approach. Since perl doesnt support first class continuations I guess you will need to implement this "left fold" operator. Which in itself would be pretty interesting. Actually even explaining in normal english (unlike the functional jargon gobbly-gook that the article uses) what this "left fold" operator does would be nice.

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$world=~s/war/peace/g

In reply to Re^6: Derangements iterator (callbacks) by demerphq
in thread Derangements iterator by tye

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