revised HLength

[hs-rrdtool.git] / Data / HList.hs

diff --git a/Data/HList.hs b/Data/HList.hs
index 56f961d832640e2f68822984d2f5d783b5a7a0e6..e39fb954337c6d93d766c3dde0def5a88b9cc1aa 100644 (file)
--- a/Data/HList.hs
+++ b/Data/HList.hs
@@ -1,9 +1,14 @@
 module Data.HList
     ( -- Data.HList.Prelude
       HList
+
     , HNil(..)
     , hNil
-    , (:*:)(..)
+
+    , HCons(..)
+    , hCons
+
+    , (:*:)
     , (.*.)
 
     , (:++:)
@@ -13,6 +18,8 @@ module Data.HList
 
     , HConcat
     , HMap
+
+    , HLength
     )
     where