Initial data commit

Task/Time-a-function/Haskell/time-a-function.hs

@@ -0,0 +1,13 @@
+import System.CPUTime (getCPUTime)
+
+-- We assume the function we are timing is an IO monad computation
+timeIt :: (Fractional c) => (a -> IO b) -> a -> IO c
+timeIt action arg = do
+  startTime <- getCPUTime
+  action arg
+  finishTime <- getCPUTime
+  return $ fromIntegral (finishTime - startTime) / 1000000000000
+
+-- Version for use with evaluating regular non-monadic functions
+timeIt_ :: (Fractional c) => (a -> b) -> a -> IO c
+timeIt_ f = timeIt ((`seq` return ()) . f)