© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
C. MilanesiBeginning Rusthttps://doi.org/10.1007/978-1-4842-7208-4_22

22. Ownership, Moves, and Copies

Carlo Milanesi1  
(1)
Bergamo, Italy
 
In this chapter, you will learn:

  • Why deterministic and implicit destruction of objects is a big plus of Rust

  • The concept of ownership of objects

  • The three kinds of assignment semantics: share semantics, copy semantics, and move semantics

  • Why implicit share semantics is bad for software correctness

  • Why move semantics may have better performance than copy semantics

  • Why some types need copy semantics and others do not

  • Why some types need to be noncloneable

  • How to specify that a type must use copy semantics

  • How to specify that a type ...

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