September 2017 - Haskell-Cafe

To merge package documentation with the platform doc tree
by John Beattie 01 Sep '17

01 Sep '17

Hi, Suppose I download a package and install it. I would like to be able to have the html documentation for that package and I would like it to be integrated with the local doc tree in the haskell platform. Is this a recognised usecase and is there a recommended way to do that? My first thought was to use haddock but I haven't managed to work out if there is a combination of haddock options which would get me there. As an alternative, I was wondering about cloning the GHC platform source and pasting the new library into the source tree alongside the other libraries and building the documentation. I might have to tweak a makefile or somesuch but would that work? Thanks, John Beattie

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megaparsec 6 migration
by ☂Josh Chia (謝任中) 01 Sep '17

01 Sep '17

I'm trying to migrate my codebase from megaparsec 5 to megaparsec 6. There appears to be major changes. For example, Text.Megaparsec.String.Parser & Text.Megaparsec.Error.Dec have both disappeared. I'm sure I could slowly plod through the new documentation, figure out the types and figure out how to migrate the code on my own, but examples & tutorials would be more time-efficient. Are there examples or tutorials compatible with megaparsec 6? For a start, what should I do with the above two things that have 'disappeared'? What do I replace them with? Josh

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Crossreferenced codebase for Stackage LTS 9.2 available
by Robin Palotai 01 Sep '17

01 Sep '17

To find out who else uses your favorite functions and how: http://stuff.codereview.me/lts/9.2 . For example, click 'async' at http://stuff.codereview.me/lts/9.2/#async-2.1.1.1/Control/Concurrent/Async.… to get all the callsites of that method. There are additional files available at http://stuff.codereview.me/ if you want to serve the xrefs locally, or merge your own packages into the index (assuming you use the same stackage lts version). A request: the crossreferencing is pretty usable, but far from complete. If you find any issues (missing crossreferences or bad ones), please have a look at the buglist at https://github.com/google/haskell-indexer/issues, and thumbs-up any that you find hurting, or open new ones! Thank you & happy code browsing, Robin

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