Prepare to add a GenIO to Criterion monad
Prepare to add a GenIO to Criterion monad

rrnewton/criterion,iu-parfunc/criterion,bgamari/criterion,paulolieuthier/criterion,paulolieuthier/criterion,bgamari/criterion,iu-parfunc/criterion,osa1/criterion,osa1/criterion,bos/criterion,paulolieuthier/criterion,bgamari/criterion,rrnewton/criterion,bos/criterion,bos/criterion,rrnewton/criterion,iu-parfunc/criterion