> you can't write a simple for loop or do i/o. You can often use the "for" function for things analogous to effectful imperative loops. http://hackage.haskell.

> you can't write a simple for loop or do i/o. You can often use the "for" function for things analogous to effectful imperative loops. http://hackage.haskell.org/package/base-4.10.0.0/docs/Data-Traversable.html#v:for http://hackage.haskell.org/package/base-4.10.0.0/docs/Data-T...