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authorDavid Terei <davidterei@gmail.com>2011-07-20 11:09:03 -0700
committerDavid Terei <davidterei@gmail.com>2011-07-20 11:26:35 -0700
commit16514f272fb42af6e9c7674a9bd6c9dce369231f (patch)
treee4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/typecheck/should_compile/tc043.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc043.hs')
-rw-r--r--testsuite/tests/typecheck/should_compile/tc043.hs18
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc043.hs b/testsuite/tests/typecheck/should_compile/tc043.hs
new file mode 100644
index 0000000000..2a2e5f050c
--- /dev/null
+++ b/testsuite/tests/typecheck/should_compile/tc043.hs
@@ -0,0 +1,18 @@
+module ShouldSucceed where
+
+-- !!! another simple test of class and instance code.
+
+class A a where
+ op1 :: a
+
+instance A Int where
+ op1 = 2
+
+f x = op1
+
+class B b where
+ op2 :: b -> Int
+
+instance (B a) => B [a] where
+ op2 [] = 0
+ op2 (x:xs) = 1 + op2 xs