I was pleasantly surprised recently when I noticed that this book has a discussion of efficient list construction [1]. I know it's a fairly basic idea, but the

I was pleasantly surprised recently when I noticed that this book has a discussion of efficient list construction [1]. I know it's a fairly basic idea, but the author brings it up purely for performance reasons. Given the introductory nature of this book I didn't expect that. [1]: http://learnyouahaskell.com/for-a-few-monads-more http://learnyouahaskell.com/for-a-few-monads-more