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-rw-r--r--testsuite/tests/concurrent/prog003/Collection.hs11
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/prog003/Collection.hs b/testsuite/tests/concurrent/prog003/Collection.hs
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+++ b/testsuite/tests/concurrent/prog003/Collection.hs
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+{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies #-}
+module Collection where
+
+
+class Show e => Col c e | c -> e where
+ newCol :: IO c
+ insertCol :: c -> e -> IO ()
+ deleteCol :: c -> e -> IO Bool
+ findCol :: c -> e -> IO Bool
+ printCol :: c -> IO ()
+ cntCol :: c -> IO Int