drvfail007.stderr 364 Bytes
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drvfail007.hs:4:38:
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    No instance for (Eq (Int -> Int))
      arising from the 'deriving' clause of a data type declaration
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    Possible fix:
      add an instance declaration for (Eq (Int -> Int))
      or use a standalone 'deriving instance' declaration,
           so you can specify the instance context yourself
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    When deriving the instance for (Eq Foo)