Right, it's not an ordinary list comprehension. It's a parallel list comprehension though: zip as bs = [(a,b) | a <- as | b <- bs] https://downloads.haskell

Right, it's not an ordinary list comprehension. It's a parallel list comprehension though: zip as bs = [(a,b) | a <- as | b <- bs] https://downloads.haskell.org/ghc/latest/docs/users_guide/exts/parallel_list_comprehensions.html https://downloads.haskell.org/ghc/latest/docs/users_guide/ex...