Rust safety

For now just a collection of links to things to read, to be filled out with my own explanations later:

• Ownership and borrowing: https://stackoverflow.com/a/36137381
• Pointer/reference types:
  • https://stackoverflow.com/a/45674912
  • Raw pointers: https://doc.rust-lang.org/1.30.0/book/first-edition/raw-pointers.html
  • https://doc.rust-lang.org/1.30.0/book/first-edition/choosing-your-guarantees.html