parameters: (self)
return_statement: return pn_delivery_readable(self._impl)
docstring: ``True`` for an incoming delivery that has data to read,
          ``False`` otherwise..
docstring_summary: ``True`` for an incoming delivery that has data to read,
          ``False`` otherwise..
docstring_tokens: True for an incoming delivery that has data to read False otherwise ..
function: def readable(self) -> bool:
          """
          ``True`` for an incoming delivery that has data to read,
          ``False`` otherwise..
          """
          return pn_delivery_readable(self._impl)
function_tokens: def readable ( self ) -> bool : return pn_delivery_readable ( self . _impl )