docs: def get_type(bind):
      """ Detect the ideal type for the data, either using the explicit type
      definition or the format (for date, date-time, not supported by JSON). """
      types = bind.types + [bind.schema.get('format')]
      for type_name in ('date-time', 'date', 'decimal', 'integer', 'boolean',
                        'number', 'string'):
          if type_name in types:
              return type_name
      return 'string'