name: forge-lang-rust
description: Rust development standards including cargo test, clippy, and rustfmt. Use when working with Rust files, Cargo.toml, or Rust tests.
Rust Development
Testing
# Run all tests
cargo test
# Run with output
cargo test -- --nocapture
# Run specific test
cargo test test_name
# Run ignored tests
cargo test -- --ignored
Linting
# Run clippy
cargo clippy -- -D warnings
# Check without building
cargo check
Formatting
# Format code
cargo fmt
# Check format without changing
cargo fmt --check
Project Structure
project/
├── src/
│ ├── lib.rs
│ └── main.rs
├── tests/
│ └── integration_test.rs
├── Cargo.toml
└── README.md
Cargo.toml Template
[package]
name = "project-name"
version = "0.1.0"
edition = "2021"
[dependencies]
[dev-dependencies]
[lints.rust]
unsafe_code = "forbid"
[lints.clippy]
all = "warn"
pedantic = "warn"
TDD Cycle Commands
# RED: Write test, run to see it fail
cargo test test_new_feature
# GREEN: Implement, run to see it pass
cargo test test_new_feature
# REFACTOR: Clean up, ensure tests still pass
cargo test && cargo clippy && cargo fmt --check
By