parameters: (self)
return_statement: return len(self._mapping)
docstring: Returns total count of mappings. Including unknown token.
docstring_summary: Returns total count of mappings. Including unknown token.
docstring_tokens: Returns total count of mappings . Including unknown token .
function: def __len__(self):
      """Returns total count of mappings. Including unknown token."""
      return len(self._mapping)
function_tokens: def __len__ ( self ) : return len ( self . _mapping )