--- /dev/null
+import "Prelude"\r
+\r
+f :: String -> String\r
+f (split "/" -> [a,b]) = "\(a)foo\(b)"\r
+f (split "/" -> [a,b,c]) = "\(a)foo\(b)bar\(c)"\r
+f str = str\r
+\r
+main = f "123" + f "abc/def" + f "123/456/789"\r
+--\r
+123abcfoodef123foo456bar789\r