Merge master into the ghc-new-co branch

[ghc-hetmet.git] / compiler / hsSyn / HsPat.lhs

diff --git a/compiler/hsSyn/HsPat.lhs b/compiler/hsSyn/HsPat.lhs
index 740bfa7..1098ff0 100644 (file)
--- a/compiler/hsSyn/HsPat.lhs
+++ b/compiler/hsSyn/HsPat.lhs
@@ -122,7 +122,9 @@ data Pat id
   | LitPat         HsLit               -- Used for *non-overloaded* literal patterns:
                                        -- Int#, Char#, Int, Char, String, etc.
 
-  | NPat           (HsOverLit id)              -- ALWAYS positive
+  | NPat               -- Used for all overloaded literals, 
+                       -- including overloaded strings with -XOverloadedStrings
+                    (HsOverLit id)             -- ALWAYS positive
                    (Maybe (SyntaxExpr id))     -- Just (Name of 'negate') for negative
                                                -- patterns, Nothing otherwise
                    (SyntaxExpr id)             -- Equality checker, of type t->t->Bool