swapWith :: (E -> E) -> ([E], [E]) -> ([E], [E])
swapWith f (imports, decls) = (imports, fmap f decls)
swapWith :: (E -> E) -> ([E], [E]) -> ([E], [E])
swapWith f (imports, decls) = (imports, fmap f decls)
swapWith f (imports, decls) = (imports, fmap f decls)