add ArrowChoice=>GArrowSum instance
[ghc-base.git] / GHC / HetMet /
drwxr-xr-x   ..
-rw-r--r-- 3313 Arrow.hs
-rw-r--r-- 4760 CodeTypes.hs
-rw-r--r-- 4295 GArrow.hs
-rw-r--r-- 886 GArrowInstances.hs