On 18 avr. 2014, at 10:26, Niklas Haas <haskell at nand.wakku.to> wrote: >> y = 3 >- \x -> x * x -- y == 9 > > Conflicts with ArrowSyntax Thanks. For '|>' and '<|' Hoogle finds something, but there are still some symetric options left: maybe '\-' and '-/'?