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author | Simon Peyton Jones <simonpj@microsoft.com> | 2012-03-09 13:31:38 +0000 |
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committer | Simon Peyton Jones <simonpj@microsoft.com> | 2012-03-09 13:31:38 +0000 |
commit | b2fb5b96b453f581601dab26321712aa29b9d47b (patch) | |
tree | 1f8516fe033cb25cd2c48290761c8e7da6724348 /testsuite/tests/typecheck/should_fail/tcfail008.stderr | |
parent | a56ce4f78f37817cc4ab370e7b74747f9ad050b2 (diff) | |
download | haskell-b2fb5b96b453f581601dab26321712aa29b9d47b.tar.gz |
Raft of wibbles after refactoring type-class constraint errors
...in response to Trac #5858
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/tcfail008.stderr')
-rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail008.stderr | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail008.stderr b/testsuite/tests/typecheck/should_fail/tcfail008.stderr index a6d97c71af..b50f77e05e 100644 --- a/testsuite/tests/typecheck/should_fail/tcfail008.stderr +++ b/testsuite/tests/typecheck/should_fail/tcfail008.stderr @@ -7,6 +7,11 @@ tcfail008.hs:3:5: o :: [a0] (bound at tcfail008.hs:3:1) Probable fix: give these definition(s) an explicit type signature or use -XNoMonomorphismRestriction + Note: there are several potential instances: + instance Num Double -- Defined in `GHC.Float' + instance Num Float -- Defined in `GHC.Float' + instance Num Int -- Defined in `GHC.Num' + ...plus one other In the first argument of `(:)', namely `1' In the expression: 1 : 2 In an equation for `o': o = 1 : 2 @@ -14,11 +19,6 @@ tcfail008.hs:3:5: tcfail008.hs:3:7: No instance for (Num [a0]) arising from the literal `2' - The type variable `a0' is ambiguous - Possible cause: the monomorphism restriction applied to the following: - o :: [a0] (bound at tcfail008.hs:3:1) - Probable fix: give these definition(s) an explicit type signature - or use -XNoMonomorphismRestriction Possible fix: add an instance declaration for (Num [a0]) In the second argument of `(:)', namely `2' In the expression: 1 : 2 |