How to use writerVariables in new API?

How to use writerVariables in new API?

[Dan Firth]

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Hi, I'm trying to upgrade to latest pandoc and I have no idea why I'm 
seeing the following error messages.


Shakefile.hs:189:76: error:
    • Couldn't match expected type ‘Text.DocTemplates.Internal.Context
                                      Text’
                  with actual type ‘a0 -> Context a0 b0 t0’
    • Probable cause: ‘Context’ is applied to too few arguments
      In the ‘writerVariables’ field of a record
      In the expression:
        def
          {writerTableOfContents = True,
           writerVariables = Context
                               (M.fromList
                                  [("geometry", "margin=3cm"), ("fontsize", 
"10"),
                                   ("linkcolor", "blue")])}
      In an equation for ‘latexWriterOptions’:
          latexWriterOptions
            = def
                {writerTableOfContents = True,
                 writerVariables = Context
                                     (M.fromList
                                        [("geometry", "margin=3cm"), 
("fontsize", "10"), ....])}
    |
189 | latexWriterOptions = def { writerTableOfContents = True, 
writerVariables = Context (M.fromList [("geometry","margin=3cm"), 
("fontsize", "10"), ("linkcolor","blue")]) }
    |                                                                       
    
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Shakefile.hs:189:85: error:
    • Couldn't match expected type ‘b0 -> t0’
                  with actual type ‘Map [Char] [Char]’
    • Possible cause: ‘M.fromList’ is applied to too many arguments
      In the first argument of ‘Context’, namely
        ‘(M.fromList
            [("geometry", "margin=3cm"), ("fontsize", "10"),
             ("linkcolor", "blue")])’
      In the ‘writerVariables’ field of a record
      In the expression:
        def
          {writerTableOfContents = True,
           writerVariables = Context
                               (M.fromList
                                  [("geometry", "margin=3cm"), ("fontsize", 
"10"),
                                   ("linkcolor", "blue")])}
    |
189 | latexWriterOptions = def { writerTableOfContents = True, 
writerVariables = Context (M.fromList [("geometry","margin=3cm"), 
("fontsize", "10"), ("linkcolor","blue")]) }

I have no idea what I'm seeing. Context contructor takes a Map. M.fromList 
[] is a Map. What is happening?


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Re: How to use writerVariables in new API?

[Dan Firth]

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Sorry this was my error, I still can't figure out how to use this type 
though. If I do

latexWriterOptions = def { writerTableOfContents = True, writerVariables = 
Context (M.fromList [("geometry",MapVal (Context $ M.fromList 
[("margin",SimpleVal "3cm")])), ("fontsize", (SimpleVal "10")), 
("linkcolor",SimpleVal "blue")]) }

then it type checks but I get this now

user error ("! Package keyval Error: true undefined.\n\nSee the keyval 
package documentation for explanation.\nType  H <return>  for immediate 
help.\n ...                                              
\n                                                  \nl.1005 
\\ProcessOptionsKV[p]{Gm}\n")

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Re: How to use writerVariables in new API?

[Dan Firth]

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Ok this worked

latexWriterOptions = def { writerTableOfContents = True, writerVariables = 
Context (M.fromList [("geometry",SimpleVal "margin=3cm"), ("fontsize", 
(SimpleVal "10")), ("linkcolor",SimpleVal "blue")]) }

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