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Introduction to the Rust language

Preliminaries

Basics

Fundamentals

Proficiency

Expertise

31 Memory (v) - Smart pointers

32 Polymorphism (v) - Traits

33 Error handling (ii) - Panic & Result

34 Error handling (iii) - Propagation

35 Error handling (iv) - Error trait

36 I/O (ii) - File system

37 Memory (vi) - Ref counters and cycles

37.1 Rc 37.2 RefCell 37.3 Reference cycles

39 Memory (vii) - Clone-on-write pointer

40 I/O (iii) - Command line & logs

41 I/O (iv) - Formatters

Mastery

Appendices

37 Memory (vi) - Ref counters and cycles

October 1, 2026

37.1 Rc
37.2 RefCell
37.3 Reference cycles