Ownership I: Moves, Copy, Clone, Drop

Your learning sequence

1. 1 Not solved yet.○ The three rules of ownership Practice · Easy
2. 2 Not solved yet.○ Stack, heap, and what a variable actually holds Practice · Easy
3. 3 Not solved yet.○ Move semantics: the relay Practice · Easy
4. 4 Not solved yet.○ Reading E0382 line by line Practice · Easy
5. 5 Not solved yet.○ Copy values: translate points and find their centroid Practice · Easy
6. 6 Not solved yet.○ Move values through a pipeline without cloning Practice · Easy
7. 7 Copy and Drop are mutually exclusive Read
8. 8 Not solved yet.○ Ownership through function calls Practice · Easy
9. 9 Not solved yet.○ Giving ownership back Practice · Medium
10. 10 Not solved yet.○ Partial moves: taking one field and leaving the rest Practice · Medium
11. 11 Not solved yet.○ Take a payload while keeping its destructor valid Practice · Hard
12. 12 Not solved yet.○ Schedule destruction with a by-value helper Practice · Easy
13. 13 Not solved yet.○ Observe scope cleanup and control vector drop order Practice · Medium
14. 14 Not solved yet.○ Moving out of &mut: take, replace, swap Practice · Medium
15. 15 Not solved yet.○ Conditional moves and drop flags Practice · Hard
16. 16 Not solved yet.○ Ownership inside loops Practice · Medium
17. 17 Not solved yet.○ Shadowing is not moving Practice · Easy
18. 18 Not solved yet.○ Method receivers and the consuming builder Practice · Medium
19. 19 Not solved yet.○ Observe when destructors are skipped Practice · Hard
20. 20 Choose between cloning, moving and borrowing Read

fn main() {
    let a = String::from("foo");
    let b = String::from("bar");
    let c = a + &b;
    println!("{c} {b}");
}