Rust Essentials - Second Edition

OOP in Rust

While there is no unique definition of what object-orientation in a programming language is, it is clear by now that in Rust you can express several important OO-concepts.

• Objects with data (their state) and methods (their behavior):
  • Rust has these--structs (and other types such as enums) have data and impl blocks provide methods on them. The definitions of structure and behavior are separate.
• Encapsulation of data and implementation:
  • In other words--external code can only change or interact with an object through its public methods. In Rust by default everything is private, so not accessible from the outside. You can decide which types, functions, methods and modules are public by adding a pub keyword before their definition. ...