Rust Lesson 6: Project — A CSV Summary Tool
Build a small command-line tool that reads sales.csv, parses rows safely, totals sales by region in a BTreeMap and prints a report, with next…
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Fast, safe systems programming — explained from zero.
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Rust
Fast, safe systems programming — explained from zero.
📄 7 articles⬇️ 7 with practice files🕒 Updated 27 Sep 2026
🎓 Start here: Rust Course → 🎓 Start here: Java Course → 🎓 Start here: R Course →Rust Lesson 5: Error Handling With Result
Rust Lesson 5: Error Handling With Result
Handle failures without exceptions: Result and Option, the ? operator, map_err, expect vs unwrap, and returning clear errors.
Read article →Rust Lesson 4: Structs and Enums
Rust Lesson 4: Structs and Enums
Model data with structs and impl blocks, enums with data, and match to handle every case — the patterns behind most Rust programs.
Read article →Rust Lesson 3: Ownership and Borrowing
Rust Lesson 3: Ownership and Borrowing
Rust’s core idea explained simply: each value has one owner, moves, borrowing with & and &mut, and why this removes whole classes of bugs.
Read article →Rust Lesson 2: Variables, Mutability and Types
Rust Lesson 2: Variables, Mutability and Types
Rust variables are immutable by default: let and let mut, integer and float types, casting with as, string slices vs String, and formatted printing.
Read article →Rust Lesson 1: Install Rust and Cargo
Rust Lesson 1: Install Rust and Cargo
Install Rust with rustup, create a project with cargo new, build and run with cargo run, and understand Cargo.toml and src/main.rs.
Read article →Why Learn Rust? Your First Rust Program, Explained for Beginners
Why Learn Rust? Your First Rust Program, Explained for Beginners
What makes Rust different — speed without crashes — and a gentle walk through your first program: variables, ownership, and a tiny CSV-style summary.
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