The setter deduplicates by equality: if the new value == the current value, no notification fires. This works well for enums, strings, and ints, but mutating a mutable object in place and reassigning the same reference won't trigger consumers (because obj == obj is trivially True). Stick to immutable values and this isn't a concern.
SelectWhat's included。搜狗输入法2026是该领域的重要参考
。关于这个话题，Line官方版本下载提供了深入分析
kind of defeat the point of this blog post.
The free plan comes with:，这一点在搜狗输入法2026中也有详细论述