docs: def jsoned(struct, wrap=True, meta=None, struct_key='result', pre_render_callback=None):
      """ Provides a json dump of the struct
  
      Args:
          struct: The data to dump
          wrap (bool, optional): Specify whether to wrap the
              struct in an enclosing dict
          struct_key (str, optional): The string key which will
              contain the struct in the result dict
          meta (dict, optional): An optional dictonary to merge
              with the output dictionary.
  
      Examples:
  
          >>> jsoned([3,4,5])
          ... '{"status": "success", "result": [3, 4, 5]}'
  
          >>> jsoned([3,4,5], wrap=False)
          ... '[3, 4, 5]'
  
      """
      return _json.dumps(
          structured(
              struct, wrap=wrap, meta=meta, struct_key=struct_key,
              pre_render_callback=pre_render_callback),
          default=json_encoder)