def _execute_types_in_stmt(evaluator, stmt):
 definitions = evaluator.eval_element(stmt)
 return chain.from_iterable((_execute_array_values(evaluator, d) for d in definitions))

def _execute_types_in_stmt ( evaluator , stmt ) : definitions = evaluator . eval_element ( stmt ) return chain . from_iterable ( ( _execute_array_values ( evaluator , d ) for d in definitions ) )
executing all types or general elements that we find in a statement .