"Deforestation is easily done in lazy languages like Haskell." You can also do it in stream-based or data-flow-based languages. Or in pretty much any DSL you d

"Deforestation is easily done in lazy languages like Haskell." You can also do it in stream-based or data-flow-based languages. Or in pretty much any DSL you decide to implement, if the semantics of the language itself is reasonable.