From ca0f732f08a52010fc433498ea795cb1f2df6f57 Mon Sep 17 00:00:00 2001
From: Julian Ospald <jospald@fh-bielefeld.de>
Date: Sun, 19 Apr 2015 17:54:25 +0200
Subject: [PATCH] Improve function composition slides

---
 VL2.tex | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/VL2.tex b/VL2.tex
index a15d81b..cd008d4 100644
--- a/VL2.tex
+++ b/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}