Discussion about an automatic documentation generation tool for Haskell

Ashley Yakeley | 8 May 2008 12:00

Haddock 2.0.0.0 Bug: Doesn't Like {;}-Style Code

Try running haddock on this:

module HaddockBug where
{
-- |The 'square' function squares an integer.
square :: Int -> Int;
square x = x * x;
}

$ haddock -B /usr/lib/ghc-6.8.2/ HaddockBug.hs

HaddockBug.hs:4:0: parse error on input `square'
haddock: Failed to load all needed modules

It works fine if you remove the haddock comment...

--

-- 
Ashley Yakeley
Seattle, WA

headers

David Waern | 14 May 2008 13:42

Re: Haddock 2.0.0.0 Bug: Doesn't Like {;}-Style Code

> I wrote:
>> Try running haddock on this:
>>
>> module HaddockBug where
>> {
>> -- |The 'square' function squares an integer.
>> square :: Int -> Int;
>> square x = x * x;
>> }
>>
>> $ haddock -B /usr/lib/ghc-6.8.2/ HaddockBug.hs
>>
>> HaddockBug.hs:4:0: parse error on input `square'
>> haddock: Failed to load all needed modules
>>
>> It works fine if you remove the haddock comment...
>
> I discovered a work-around: put a semicolon after the haddock comment.
>
> module HaddockBug where
> {
> -- |The 'square' function squares an integer.
> ;
> square :: Int -> Int;
> square x = x * x;
> }
>
> --
> Ashley Yakeley
> Seattle, WA

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