diff options
Diffstat (limited to 'compiler/hsSyn/HsSyn.hs')
| -rw-r--r-- | compiler/hsSyn/HsSyn.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/hsSyn/HsSyn.hs b/compiler/hsSyn/HsSyn.hs index 62bfa2e5c5..7631c95a7d 100644 --- a/compiler/hsSyn/HsSyn.hs +++ b/compiler/hsSyn/HsSyn.hs @@ -15,6 +15,7 @@ therefore, is almost nothing but re-exporting. {-# LANGUAGE UndecidableInstances #-} -- Note [Pass sensitive types] -- in module PlaceHolder {-# LANGUAGE ConstraintKinds #-} +{-# LANGUAGE TypeFamilies #-} module HsSyn ( module HsBinds, @@ -112,8 +113,7 @@ data HsModule name -- For details on above see note [Api annotations] in ApiAnnotation deriving instance (DataId name) => Data (HsModule name) -instance (SourceTextX pass, OutputableBndrId pass) - => Outputable (HsModule pass) where +instance (p ~ GhcPass pass, OutputableBndrId p) => Outputable (HsModule p) where ppr (HsModule Nothing _ imports decls _ mbDoc) = pp_mb mbDoc $$ pp_nonnull imports |