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Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc041.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc041.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc041.hs b/testsuite/tests/typecheck/should_compile/tc041.hs new file mode 100644 index 0000000000..b42374f5e2 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc041.hs @@ -0,0 +1,12 @@ +-- !!! a very simple test of class and instance declarations + +module ShouldSucceed where + +class H a where + op1 :: a -> a -> a + +instance H Bool where + op1 x y = y + +f :: Bool -> Int -> Bool +f x y = op1 x x |