anchor.diff:  % each entry in the map into a function containing a switch/case statement on arg length.
   c_exports(ExportList) ->
       MappedByFuncName = c_exports_mapfuncs(ExportList, #{}),
  -    constDeclaration(<<"exports">>, objectExpression(
  -        lists:map(fun({FuncName, Arities}) ->
  -            property(
  -                literal(list_to_binary(FuncName)), 
  -                functionExpression(null, [], blockStatement(c_exports_gencases({FuncName, Arities})), false)
  -            )       
  -        end, maps:to_list(MappedByFuncName))                                 
  -    )).
  +    constDeclaration(
  +        <<"exports">>, 
  +        objectExpression(
  +            lists:map(fun({FuncName, Arities}) ->
  +                property(
  +                    literal(list_to_binary(FuncName)), 
  +                    functionExpression(null, [], blockStatement(c_exports_gencases({FuncName, Arities})), false)
  +                )       
  +            end, maps:to_list(MappedByFuncName))                                 
  +        )
  +    ).
   
   % Function which takes a list of tuples in the form {Key, Value} and generates a map in the
   % form #{Key => ListOfAllValuesBelongingToKey}
   c_exports_mapfuncs([], Map) ->
       Map;
  -c_exports_mapfuncs([{FnName, FnArity} | Tails], Map) ->
  +c_exports_mapfuncs([{FnName, FnArity} | Tails], Map) when is_list(FnName) , is_integer(FnArity) ->
       case maps:find(FnName, Map) of
           {ok, Val} ->
               NewVal = Val ++ [FnArity];
  
positive.code: -include("estree_prefabs.hrl").
  
  % -- Functions --
  c_module(ModuleName, ExportList, FunctionList) ->
      program(
          constDeclaration(
              list_to_binary(ModuleName),
  
negative.code: 
  
  % Misc Functions
  test(Map) ->
      code:add_path("../lib/"),
      Json = json:serialize(Map),
  
  