X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=ptset.ml;h=673523c6db0d39898df0c69437560f05fb1a86b0;hb=83aa6cf8a120ea6681402ce42ae56631fca1ddf4;hp=091d4a841ede7c0c8ddee7f76f3fc90c040f2422;hpb=5b4679e20761058f1e04c123da52631c0dd265cc;p=SXSI%2Fxpathcomp.git

diff --git a/ptset.ml b/ptset.ml
index 091d4a8..673523c 100644
--- a/ptset.ml
+++ b/ptset.ml
@@ -58,7 +58,7 @@ let empty = { id = gen_uid ();
 
 let _ = WH.add pool empty
 
-let is_empty = function { id = 0 } -> true  | _ -> false
+let is_empty s = s.id==0
     
 let rec norm n =
   let v = { id = gen_uid ();