Name: Anonymous 2014-11-03 15:35
Check this out, it's "1 Haskell a day"
http://logicaltypes.blogspot.ru/2014/11/october-2014-1haskelladay-problems-and.html
http://logicaltypes.blogspot.ru/2014/11/october-2014-1haskelladay-problems-and.html