16096b812a1b8d728854d8d8dff87377dd601b8f — Manuel Groß 2 years ago 11d7b2b
Add notes from chapter 12
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# Chapter 12

- Per convention, programs should be split into a `main.rs` and a `lib.rs`, where the latter contains all the logic, and the main handles running the program.
- Lifetimes are a way to tell the compiler what input of a function the return value is connected to. If it’s e.g. a reference to something contained in an input argument, it needs to be valid for the same scope. Otherwise the reference would become invalid.