Explain Rust workspace and package management.

Rust workspace and package management: • Workspace: Multiple packages in single repository • Package: Crate with Cargo.toml • Crate: Compilation unit (binary or library) • Cargo: Build tool and package manager • Shared dependencies and lock file Workspace structure: workspace/ ├── Cargo.toml # Workspace manifest ├── Cargo.lock # Shared lock file ├── package1/ │ ├── Cargo.toml │ └── src/ └── package2/ ├── Cargo.toml └── src/ Workspace Cargo.toml: [workspace] members = [ "package1", "package2", ] [workspace.dependencies] serde = "1.0" tokio = "1.0" Package Cargo.toml: [package] name = "package1" version = "0.1.0" edition = "2021" [dependencies] serde = { workspace = true } package2 = { path = "../package2" } Benefits: • Shared dependencies • Unified versioning • Cross-package development • Single Cargo.lock • Coordinated releases Commands: cargo build # Build all packages cargo test # Test all packages cargo build -p package1 # Build specific package cargo publish -p package1 # Publish specific package