diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/tcfail038.hs')
-rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail038.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail038.hs b/testsuite/tests/typecheck/should_fail/tcfail038.hs new file mode 100644 index 0000000000..1770bde61c --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/tcfail038.hs @@ -0,0 +1,11 @@ +-- !!! duplicate class-method declarations + +module ShouldFail where + +data NUM = ONE | TWO +instance Eq NUM where + a == b = True + a /= b = False + a == b = False + a /= b = True + |