diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/tcfail128.stderr')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail128.stderr | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail128.stderr b/testsuite/tests/typecheck/should_fail/tcfail128.stderr index 4ad7273c0b..1aab117592 100644 --- a/testsuite/tests/typecheck/should_fail/tcfail128.stderr +++ b/testsuite/tests/typecheck/should_fail/tcfail128.stderr @@ -1,9 +1,10 @@ tcfail128.hs:18:16: error: - No instance for (Data.Array.Base.MArray b0 FlatVector IO) - arising from a use of ‘thaw’ - The type variable ‘b0’ is ambiguous - Potential instances: + Ambiguous type variable ‘b0’ arising from a use of ‘thaw’ + prevents the constraint ‘(Data.Array.Base.MArray + b0 FlatVector IO)’ from being solved. + Probable fix: use a type annotation to specify what ‘b0’ should be. + These potential instance exist: instance Data.Array.Base.MArray IOArray e IO -- Defined in ‘Data.Array.Base’ In a stmt of a 'do' block: v <- thaw tmp |