Files
gf-core/src/GF/Data/Glue.hs
2005-02-18 18:21:06 +00:00

31 lines
828 B
Haskell

----------------------------------------------------------------------
-- |
-- Module : Glue
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/02/18 19:21:14 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.6 $
--
-- AR 8-11-2003, using Markus Forsberg's implementation of Huet's @unglue@
-----------------------------------------------------------------------------
module Glue (decomposeSimple) where
import Trie2
import Operations
import 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 två tre tjugo trettio hundra tusen"