haddock-2.3.0 literate comments discarded from .lhs input
David Waern
david.waern at gmail.com
Fri Feb 6 05:18:41 EST 2009
2009/2/6 Alistair Bayley <alistair at abayley.org>:
> I have this test case for Haddock (2.3.0):
>
> --------------------------------------------------
>
> |
> Module : Test.Haddock
> Copyright : (c) 2009 Alistair Bayley
> License : BSD-style
> Maintainer : alistair at abayley.org
> Stability : stable
> Portability : portable
>
> Test case for Haddock.
>
>
>> module Test.Haddock
>> (
>> -- $named_block
>> Fail(..)
>> )
>> where
>> data Fail = Fail | Succeed
>
> $named_block
>
> This is some hadock documentation.
>
> --------------------------------------------------
>
> This fails with:
>
> [1 of 1] Compiling Test.Fail ( Test\Fail.hs, Test\Fail.o )
>
> Test\Fail.hs:11:26:
> Can't make a derived instance of `Typeable Fail'
> (You need -XDeriveDataTypeable to derive an instance for this class)
> In the data type declaration for `Fail'
Are you processing the above module but it is called Test.Fail in
reality? Have you stripped out a deriving statement from the example
above? I'm very confused by this message :)
David
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