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authoraarne <unknown>2003-11-18 15:30:08 +0000
committeraarne <unknown>2003-11-18 15:30:08 +0000
commitaf4bf660024928da20b3a1e004d347d6bc0647c4 (patch)
tree53e4bea7a712ec02dd49b7893df0a42ac86d810d /src/GF/Canon/Look.hs
parent8ecf475d5a4c09939ee76106440bf08878be34b4 (diff)
Using trie more.
Diffstat (limited to 'src/GF/Canon/Look.hs')
-rw-r--r--src/GF/Canon/Look.hs5
1 files changed, 4 insertions, 1 deletions
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?