parameters: (self)
docstring: verify the argument of the default symbol and user provided parameters
docstring_summary: verify the argument of the default symbol and user provided parameters
docstring_tokens: verify the argument of the default symbol and user provided parameters
function: def _check_arguments(self):
          """verify the argument of the default symbol and user provided parameters"""
          if self.argument_checked:
              return
  
          assert(self.symbol is not None)
          self.argument_checked = True
  
          # check if symbol contain duplicated names.
          _check_arguments(self.symbol)
          # rematch parameters to delete useless ones
          if self.allow_extra_params:
              if self.arg_params:
                  arg_names = set(self.symbol.list_arguments())
                  self.arg_params = {k : v for k, v in self.arg_params.items()
                                     if k in arg_names}
              if self.aux_params:
                  aux_names = set(self.symbol.list_auxiliary_states())
                  self.aux_params = {k : v for k, v in self.aux_params.items()
                                     if k in aux_names}
function_tokens: def _check_arguments ( self ) : if self . argument_checked : return assert ( self . symbol is not None ) self . argument_checked = True # check if symbol contain duplicated names. _check_arguments ( self . symbol ) # rematch parameters to delete useless ones if self . allow_extra_params : if self . arg_params : arg_names = set ( self . symbol . list_arguments ( ) ) self . arg_params = { k : v for k , v in self . arg_params . items ( ) if k in arg_names } if self . aux_params : aux_names = set ( self . symbol . list_auxiliary_states ( ) ) self . aux_params = { k : v for k , v in self . aux_params . items ( ) if k in aux_names }