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Diffstat (limited to 'testsuite/tests/rename/should_fail/rnfail017.hs')
-rw-r--r-- | testsuite/tests/rename/should_fail/rnfail017.hs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/testsuite/tests/rename/should_fail/rnfail017.hs b/testsuite/tests/rename/should_fail/rnfail017.hs new file mode 100644 index 0000000000..327a9d6abd --- /dev/null +++ b/testsuite/tests/rename/should_fail/rnfail017.hs @@ -0,0 +1,17 @@ +module ShouldFail where + +-- !!! Precedence of unary negation + +f1 x y = x + -y -- Fails +f2 x y = x * -y -- Fails + + +f3 x y = -x + y -- OK: means (-x) + y + -- since - is left associative + +f4 x y = - x*y -- OK: means -(x*y) + -- since - binds less tightly than * + +f5 x y = x >= -y -- OK means x >= (-y) + + |