（作者为中国常驻联合国维也纳办事处和其他国际组织代表、常驻国际原子能机构代表）
Copy makes it trivially easy to accidentally duplicate a Rust value that is actually a thin handle to a resource, resulting in null pointers. Just make a habit of avoiding it on exported wrappers. This can be a hard muscle memory to break since we usually want Copy wherever possible in normal Rust code.
。业内人士推荐新收录的资料作为进阶阅读
2load_imm r1, #1，这一点在新收录的资料中也有详细论述
git_history_rewrite, lang_exec, process_signal