Manlio Perillo ha scritto: > [...] > > It seems there is a problem with tuples, too. > > I have a: > [(Word16, UArr (Word32 :*:* Word8))] > > This eats more memory than it should, since tuples are decoded lazily. > My bad, sorry. I simply solved by using a strict consumer (foldl' instead of foldl). Manlio