code: def _find_scalar_parameter(expr):
      
      op = expr.op()
  
      if isinstance(op, ops.ScalarParameter):
          result = op, expr.get_name()
      else:
          result = None
      return lin.proceed, result
docs: Find all :class:`~ibis.expr.types.ScalarParameter` instances.
  
      Parameters
      ----------
      expr : ibis.expr.types.Expr
  
      Returns
      -------
      Tuple[bool, object]
          The operation and the parent expresssion's resolved name.