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| author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
|---|---|---|
| committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
| commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
| tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/typecheck/should_compile/tc068.hs | |
| parent | ebd422aed41048476aa61dd4c520d43becd78682 (diff) | |
| download | haskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz | |
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc068.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc068.hs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc068.hs b/testsuite/tests/typecheck/should_compile/tc068.hs new file mode 100644 index 0000000000..f455d41b6e --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc068.hs @@ -0,0 +1,18 @@ +module ShouldSucceed where + +data T a = D (B a) | C +data B b = X | Y b + +instance (Eq a) => Eq (T a) where + (D x) == (D y) = x == y + C == C = True + a == b = False + + a /= b = not (a == b) + +instance (Eq b) => Eq (B b) where + X == X = True + (Y a) == (Y b) = a == b + a == b = False + + a /= b = not (a == b) |