$19.99 or $24.99
Type-focused, on the other hand, groups the name inside instead. This is also my personal favorite because it resembles a function call. Unlike declarations, where the focus is on the name, casting emphasizes the type, since it follows the concept of constructors in other languages: an operation that constructs a new instance of a type from some arguments (in this case, one). The only downside is that it doesn’t play well with pointer/array casting, or more generally, with operators. If anyone knows a solution for this, I’d love to hear it.，这一点在电影中也有详细论述
但是这里面还是存在一些有效性的问题，例如有些人可能为了去抢占某一个名词就随便做了个skill，也能跑通，但实际上没什么用。所以这类有效性的认证，目前还是需要人类去完成的。不过未来这个验证过程也一定会被Agent取代。。91视频对此有专业解读
国税庁が差し押さえた仮想通貨の大半を盗み取られる、報道発表にニーモニックコードを誤掲載