Cargo commands, crates, modules and visibility, workspaces, testing, macros and unsafe Rust.
36 cards · basic cards · AI-written, checked twice. Edit anything.
- What Cargo command creates a new binary project with a main.rs file?
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cargo new <project-name>- What does `cargo build` do?
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Compiles the project and creates a binary executable in target/debug- What is the difference between `cargo build` and `cargo check`?
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cargo check verifies code compiles without producing a binary, faster than cargo build- What does `cargo run` do?
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Compiles and immediately executes the binary in one command- What does `cargo test` compile and execute?
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All test functions marked with #[test] attribute- What does `cargo doc` generate?
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HTML documentation from doc comments in the source code- What is the purpose of Cargo.toml?
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Define project metadata, dependencies, and build configuration- What Cargo.toml section contains the project name, version, and edition?
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[package]- What is a library crate?
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A crate that provides reusable code, has no main function, root is src/lib.rs- What is a binary crate?
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A crate compiled to an executable program with a main function as root is src/main.rs- What is the default crate root file for a library?
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src/lib.rs- What is the default crate root file for a binary?
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src/main.rs- In Rust 2018 edition and later, is `extern crate` needed?
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No, external crates are brought into scope automatically via use statements- What does the `pub` keyword do?
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Makes an item public, accessible from outside its defining module- What does `pub(crate)` visibility restrict access to?
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Items only accessible within the current crate, not from external crates
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