From af4bf660024928da20b3a1e004d347d6bc0647c4 Mon Sep 17 00:00:00 2001
From: aarne <unknown>
Date: Tue, 18 Nov 2003 15:30:08 +0000
Subject: Using trie more.

---
 src/GF/Canon/Look.hs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/GF/Canon/Look.hs')

diff --git a/src/GF/Canon/Look.hs b/src/GF/Canon/Look.hs
index 1f55e4cdb..228a43f3c 100644
--- a/src/GF/Canon/Look.hs
+++ b/src/GF/Canon/Look.hs
@@ -166,4 +166,7 @@ ccompute cnc = comp []
      noVar v = case v of
        LI _ -> False
        R rs -> all noVar [t | Ass _ t <- rs]
-       _    -> True --- other cases?
+       Con _ ts -> all noVar ts
+       FV ts -> all noVar ts
+       S x y -> noVar x && noVar y
+       _    -> True --- other cases that can be values to pattern match?
-- 
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