GF/src is now for 2.9, and the new sources are in src-3.0 - keep it this way until the release of GF 3

src-3.0/GF/Data/Glue.hs

@@ -0,0 +1,30 @@
+----------------------------------------------------------------------
+-- |
+-- Module      : Glue
+-- Maintainer  : AR
+-- Stability   : (stable)
+-- Portability : (portable)
+--
+-- > CVS $Date: 2005/04/21 16:22:02 $ 
+-- > CVS $Author: bringert $
+-- > CVS $Revision: 1.7 $
+--
+-- AR 8-11-2003, using Markus Forsberg's implementation of Huet's @unglue@
+-----------------------------------------------------------------------------
+
+module GF.Data.Glue (decomposeSimple) where
+
+import GF.Data.Trie2
+import GF.Data.Operations
+import Data.List
+
+decomposeSimple :: Trie Char a -> [Char] -> Err [[Char]]
+decomposeSimple t s = do
+  let ss = map (decompose t) $ words s
+  if any null ss
+    then Bad "unknown word in input"
+    else return $ concat [intersperse "&+" ws | ws <- ss]
+
+exTrie = tcompile (zip ws ws) where 
+  ws = words "ett tv\229 tre tjugo trettio hundra tusen"
+