In Scala, override has become part of the language, and forgetting it will generate a compiler error. Thus, a derived toString method should look as shown in Listing 11.
在Scala中,override已经成为语言的一部分,几乎可以忘记它会生成编译器错误。
2
Caching failure: Forgetting to reset an error flag when an error has been corrected.
缓存失败(Caching failure):错误被修正后忘记把错误标志复位。
3
Forgetting your mistakes is a terrible error if you are trying to improve your cognition.