Applicative and Monad instances for Tree

[haskell-directory.git] / Prelude.hs

diff --git a/Prelude.hs b/Prelude.hs
index 578ba7b..cae9c25 100644 (file)
--- a/Prelude.hs
+++ b/Prelude.hs
@@ -80,6 +80,9 @@ module Prelude (
     Functor(fmap),
     mapM, mapM_, sequence, sequence_, (=<<),
 
+    -- ** String class
+    IsString(fromString),
+
     -- ** Miscellaneous functions
     id, const, (.), flip, ($), until,
     asTypeOf, error, undefined,
@@ -153,6 +156,8 @@ import Data.Either
 import Data.Maybe
 import Data.Bool
 import Data.Tuple
+import Data.Eq
+import Data.Ord
 #endif
 
 #ifdef __GLASGOW_HASKELL__
@@ -175,7 +180,6 @@ import Hugs.Prelude
 #ifndef __HUGS__
 infixr 0 $!
 
-
 -- -----------------------------------------------------------------------------
 -- Miscellaneous functions