Alex and GHC 7.8

[Carter Schonwald]

you need to use the new versions of alex and happy

cabal update ; cabal install alex happy


On Fri, Mar 7, 2014 at 11:03 PM, wren ng thornton
<winterkoninkje at gmail.com>wrote:

> Hello,
>
> In testing my packages for the impending GHC 7.8 release, I ran into
> some issues with Alex-generated code. In particular, it looks like the
> (>=#) and (==#)  operators now return Int# instead of Bool, so
> expressions like
>
>     if (offset >=# 0#) && (check ==# ord_c) then ...
>
> no longer type check. Is this a known issue? Are there any plans to
> fix it? I'd offer to submit a pull-request, but I'm not familiar with
> the Alex codebase so that'd take a while
>
> --
> Live well,
> ~wren
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