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Introduction to the Rust language

Preliminaries

Basics

Fundamentals

Proficiency

20 Polymorphism (ii) - Traits

21 Polymorphism (iii) - Enum

22 Attributes and Macros (i)

22.1 Introduction 22.2 Declarative macros 22.3 Function-like macros 22.4 derive macros 22.5 Attribute-like macros

23 Functions (iii)

24 Polymorphism (iv) - Generic traits & methods

25 Memory (iii) - Lifetimes

26 Project (i) - Organization & definition

27 Types (vi) - Sequences

28 Types (vii) - Hashes

29 Types (viii) - Trees

30 Memory (iv) - Accessing collections

Expertise

Mastery

Appendices

Polymorphism with enums

22 Attributes and Macros (i)

October 1, 2026

22.1 Introduction
22.2 Declarative macros
22.3 Function-like macros
22.4 derive macros
22.5 Attribute-like macros

Polymorphism with enums