Possible new sections or chapters

[Bounty-Seeker]

Ideas for topics that would be useful to include in the Nomicon as new chapters or sections:

• [ ] miri
• [ ] unsafe working group / code guidelines
• [ ] Unions
• [ ] const and undefined behaviour
• [ ] ASAN, valgrind, etc
• [ ] Use in real world tips (documentation, commenting, macros, tools (cargo-gieger), CI)