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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

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

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

41 I/O (iv) - Formatters

42.1 Organizing tests 42.2 Unit tests 42.3 Running tests 42.4 Integration tests

Mastery

Appendices

Organizing tests

42 Testing

October 1, 2026

42.1 Organizing tests
42.2 Unit tests
42.3 Running tests
42.4 Integration tests

Organizing tests