Re: [some success] (was: Mac 10.15 compiling using ghc)

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

This one is easy.  After this filter was written, pandco-types
changed to using Text instead of String.

Probably the easiest fix is to add the line

{-# LANGUAGE OverloadedStrings #-}

to the top of the filter.

Uwe Brauer <oub-YB6e1s5WF/He5aOfsHch1g@public.gmane.org> writes:

>>>> "JM" == John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes:
>
>> Although with the old version of cabal you have, it might
>> work just to do
>
>> cabal install pandoc-types
>
>> and then ghc --make as before.
>
> So finally 
>
>     1. I un installed the ghc provided by fink,
>
>     2. I then used  https://www.haskell.org/ghcup/
>
>     3. And installed ghc and the corresponding cabal version
>
>     4. cabal install --lib pandoc-types
>
> ghc --make stripmath.hs
>
> ,----
> | Loaded package environment from /Users/oub/.ghc/x86_64-darwin-8.10.4/environments/default
> | [1 of 1] Compiling Main             ( stripmath.hs, stripmath.o )
> | 
> | stripmath.hs:4:38: error:
> |     • Couldn't match expected type ‘Data.Text.Internal.Text’
> |                   with actual type ‘[Char]’
> |     • In the first argument of ‘Str’, namely ‘"FORMULA"’
> |       In the expression: Str "FORMULA"
> |       In an equation for ‘stripmath’:
> |           stripmath (Math _ _) = Str "FORMULA"
> |   |
> | 4 |     where stripmath (Math _ _) = Str "FORMULA"
> |   |                                      ^^^^^^^^^
> | 
> `----
>
> Sigh, what is now the problem?
>
> Regards
>
>
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