Improve function composition slides

VL2.tex

@@ -366,6 +366,15 @@ Solution:
 (.) :: (b -> c) -> (a -> b) -> a -> c
 (.) f g x = f (g x)
 \end{haskellcode}
+\pause
+And now you can chain functions together. Not just two! Look:
+\begin{haskellcode}
+f :: String -> Bool
+f xs = (even . length . (\x -> x ++ "Hello world")) xs
+-- or less ugly
+f xs = even . length . (\x -> x ++ "Hello world") $ xs
+\end{haskellcode}
+% $
 \end{frame}
 
 \section{6. Recursion patterns}