
📎 This article includes 1 downloadable practice file ↓
- Install from rustup.rs (on Windows it may ask for Visual Studio Build Tools).
cargo new sales_toolthencd sales_tool.- Replace
src/main.rswith the lesson file and runcargo run.
“`rust
fn main() {
let customer = “Sharma Traders”;
let qty: u32 = 12;
println!(“{customer}: {qty} units”);
}
“`
Cargo builds, runs, tests and manages dependencies (crates) listed in Cargo.toml.
💡 Install the rust-analyzer extension in VS Code for inline types and errors as you type.
Code for this course follows standard, current syntax; we test JavaScript and PowerShell scripts before publishing, and R/Java/Rust examples are kept to core language features. Tell us if anything fails on your setup.
Practice
Create a project and run the lesson file as src/main.rs.
📎 Practice files for this article
- 📄rust-hello-main.rsLesson code file.⬇ RS · 327 B
Free to use for learning. Files with macros (.bas) are plain text — import them with Alt+F11 → File → Import File, and always test on a copy.
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