type Data = Integer type Variable = String type Store = [(Variable, Data)] Store = [("",0)] emptystore :: Store emptystore = [("",0)] getVal :: Store -> Variable -> Data thats my code i just have to continue and get the value of a variable from the store but i don't know how the task is : Define a function getVal, which takes a Store and a variable name, and returns its value. You may assume that the variable is defined in the Store. getVal :: Store -> Variable -> Data (c) Define a function setVar, which takes a Store, a variable name and a value, and returns an updated Store with the variable value updated. setVal :: Store -> (Variable, Data) -> Store -- View this message in context: http://www.nabble.com/pls-fast-help-me-with-this-simple-question-t1345292.ht... Sent from the Haskell - Haskell-Cafe forum at Nabble.com.