diff options
Diffstat (limited to 'src/Main.hs')
-rw-r--r-- | src/Main.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Main.hs b/src/Main.hs index 92319d3e..a83376f3 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -1079,8 +1079,8 @@ collectInstances -> Map HsQName [InstHead] -- maps class/type names to instances collectInstances mod_ifaces - = Map.fromListWith (++) ty_inst_pairs `Map.union` - Map.fromListWith (++) class_inst_pairs + = Map.fromListWith (flip (++)) ty_inst_pairs `Map.union` + Map.fromListWith (flip (++)) class_inst_pairs where all_instances = concat (map (iface_insts.snd) mod_ifaces) |