simplify return defn; consistent lazy matching; whitespace
drwxr-xr-x - Control
drwxr-xr-x - Data
-rw-r--r-- 1607 LICENSE
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 3507 changelog
drwxr-xr-x - legacy
-rw-r--r-- 3117 transformers.cabal