/home/joel/Documents/tda342/afp-code/assignment1/turtle-graphics-0.1.0.0/Turtle.hs:44:1-42: error:
       Failed to load interface for ‘Control.Monad.State’
       Perhaps you meant
         Control.Monad.Fail (from base-4.9.1.0)
         Control.Monad.ST (from base-4.9.1.0)
         Control.Monad.ST.Safe (from base-4.9.1.0)
       Use -v to see a list of the files searched for.
   Failed, modules loaded: none.
   
-> :m + none
<- syntax:  :module [+/-] [*]M1 ... [*]Mn