testsuite/tests/mdo/should_fail/mdofail004.stderr-ghc-7.0


1
2
3
4
5
6
7


mdofail004.hs:17:5:
    No instance for (MonadFix X)
      arising from a do statement
    Possible fix: add an instance declaration for (MonadFix X)
    In the expression: mdo { return [1, 2, ....] }
    In an equation for `z': z = mdo { return [1, ....] }