Again, you must be aware of the effect of a narrowing conversion when casting to a smaller type, otherwise you might unknowingly lose information during the cast.

同样地，当造型成一种较小的类型时，必须留意“缩小转换”的后果。否则会在造型过程中不知不觉地丢失信息。

youdao

Again, you must be aware of the effect of a narrowing conversion when casting to a smaller type, otherwise you might unknowingly lose information during the cast.

同样地，当造型成一种较小的类型时，必须留意“缩小转换”的后果。否则会在造型过程中不知不觉地丢失信息。

youdao