Use unsigned types only when you need modulo arithmetic or very very large Numbers.

仅在你需要模算术或需要很大很大的数字时，才使用无符号类型。

youdao

Use unsigned types only when you need modulo arithmetic or very very large Numbers.

仅在你需要模算术或需要很大很大的数字时，才使用无符号类型。

youdao