The only part remaining is the handling of error reporting (such as an unknown parameter flag character or a numeric value out of range).

最后剩下的部分就是处理错误报告（例如一个未知的形参标记字符或者一个超出范围的数字值）。

youdao

Because the value of value is out of range, an exception is thrown that is caught in the catch block.

因为value的值超出了范围，所以抛出了一个被catch块捕获的异常。

youdao

If the source value is out of the range of the destination, the VI coerces the source to the range.

如果源值超出目标的范围，范围强制转换到范围内。

youdao

If you have an out-of-range value, get the doctor to explain what it means and what further testing will accomplish.

FORBES: Magazine Article