summaryrefslogtreecommitdiff
path: root/src/GF/Infra/PrintClass.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/GF/Infra/PrintClass.hs')
-rw-r--r--src/GF/Infra/PrintClass.hs51
1 files changed, 0 insertions, 51 deletions
diff --git a/src/GF/Infra/PrintClass.hs b/src/GF/Infra/PrintClass.hs
deleted file mode 100644
index 5e94984a6..000000000
--- a/src/GF/Infra/PrintClass.hs
+++ /dev/null
@@ -1,51 +0,0 @@
-module GF.Infra.PrintClass where
-
-import Data.List (intersperse)
-
-class Print a where
- prt :: a -> String
- prtList :: [a] -> String
- prtList as = "[" ++ prtSep "," as ++ "]"
-
-prtSep :: Print a => String -> [a] -> String
-prtSep sep = concat . intersperse sep . map prt
-
-prtBefore :: Print a => String -> [a] -> String
-prtBefore before = prtBeforeAfter before ""
-
-prtAfter :: Print a => String -> [a] -> String
-prtAfter after = prtBeforeAfter "" after
-
-prtBeforeAfter :: Print a => String -> String -> [a] -> String
-prtBeforeAfter before after as = concat [ before ++ prt a ++ after | a <- as ]
-
-prtPairList :: (Print a, Print b) => String -> String -> [(a,b)] -> String
-prtPairList comma sep xys = prtSep sep [ prt x ++ comma ++ prt y | (x,y) <- xys ]
-prIO :: Print a => a -> IO ()
-prIO = putStr . prt
-
-instance Print a => Print [a] where
- prt = prtList
-
-instance (Print a, Print b) => Print (a, b) where
- prt (a, b) = "(" ++ prt a ++ "," ++ prt b ++ ")"
-
-instance (Print a, Print b, Print c) => Print (a, b, c) where
- prt (a, b, c) = "(" ++ prt a ++ "," ++ prt b ++ "," ++ prt c ++ ")"
-
-instance (Print a, Print b, Print c, Print d) => Print (a, b, c, d) where
- prt (a, b, c, d) = "(" ++ prt a ++ "," ++ prt b ++ "," ++ prt c ++ "," ++ prt d ++ ")"
-
-instance Print Char where
- prt = return
- prtList = id
-
-instance Print Int where
- prt = show
-
-instance Print Integer where
- prt = show
-
-instance Print a => Print (Maybe a) where
- prt (Just a) = prt a
- prt Nothing = "Nothing"