module LayoutIn3 where --Layout rule applies after 'where','let','do' and 'of' --In this Example: rename 'x' after 'let' to 'anotherX'. foo x = let anotherX = 12 in (let y = 3 z = 2 in anotherX * y * z * w) where y = 2 --there is a comment. w = x where x = let y = 5 in y + 3