These days Haskell proponents aren't as proud anymore on laziness. Simon Peyton Jones has actually admitted it was a mistake for it to be the default : https://

These days Haskell proponents aren't as proud anymore on laziness. Simon Peyton Jones has actually admitted it was a mistake for it to be the default : https://news.ycombinator.com/item?id=1924061 https://news.ycombinator.com/item?id=1924061 Nevertheless, it has its use cases.