diff options
Diffstat (limited to 'src/PGF/Expr.hs-boot')
| -rw-r--r-- | src/PGF/Expr.hs-boot | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/PGF/Expr.hs-boot b/src/PGF/Expr.hs-boot new file mode 100644 index 000000000..0369be173 --- /dev/null +++ b/src/PGF/Expr.hs-boot @@ -0,0 +1,13 @@ +module PGF.Expr where
+
+import qualified Text.PrettyPrint as PP
+import qualified Text.ParserCombinators.ReadP as RP
+
+data Expr
+
+instance Eq Expr
+instance Ord Expr
+
+pFactor :: RP.ReadP Expr
+
+ppExpr :: Int -> Expr -> PP.Doc
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